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|title=Deerghanjiviteeya Adhyaya

|title=Deerghanjiviteeya Adhyaya

|titlemode=append

|titlemode=append

|keywords=Longevity, [[Ayurveda]], science of life, [[dravya]], material, [[Mahabhuta]], ''Samanya'' (similarity), Vishesha''(dissimilarity), ''Guna'', ''Karma'', ''Rasa'', ''Dosha'', ''Vata'', ''Pitta'', ''Kapha'', ''Rajas'', ''Tamas'', ''Sattva'', qualities of good and bad [[physician]]s, charak samhita Ayurveda, Indian system of medicine,[[dravya]], [[panchamahabhuta]]   

|keywords=Longevity, [[Ayurveda]], science of life, [[dravya]], material, [[Mahabhuta]], ''Samanya'' (similarity), Vishesha''(dissimilarity), ''Guna'', ''Karma'', ''Rasa'', ''Dosha'', ''Vata'', ''Pitta'', ''Kapha'', ''Rajas'', ''Tamas'', ''Sattva'', qualities of good and bad [[physician]]s, charak samhita Ayurveda, Indian system of medicine,[[dravya]], [[panchamahabhuta]]  fundamental principles of Ayurveda, long life, improving lifespan

|description=The first chapter within Bheshaja Chatushka (tetrad constituting four chapters on medicinal treatment) deals with fundamental concepts of [[Ayurveda]] related to longevity  

|description=The first chapter within Bheshaja Chatushka (tetrad constituting four chapters on medicinal treatment) deals with fundamental concepts of [[Ayurveda]] related to longevity  

|image=http://www.carakasamhitaonline.com/resources/assets/ogimgs.jpg

|image=http://www.carakasamhitaonline.com/resources/assets/ogimgs.jpg

'''Abstract'''

'''Abstract'''

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The title of [[Charak Samhita]]’s the very first chapter, [[Deerghanjiviteeya Adhyaya]], literally means the chapter on longevity.  This is symbolic, because it implies that [[Ayurveda]] is not merely the science of life, but also a science of longevity. This chapter deliberates on the purpose of long [[life]] and [[health]] as the means of achieving the four primary instincts of human beings (purushartha chatustaya). These are virtue (dharma), wealth (artha), gratification (kama) and emancipation(moksha). Some of the basic tenets of [[Ayurveda]] and its scope are explained. The chapter introduces fundamental principles of [[Ayurveda]], including its definition, objective, concept of three [[sharira]](bodily) [[dosha]] and their qualities, and two [[manasa]] (mental) [[dosha]] and their treatment. The theory of similarity ([[samanya]]) and dissimilarity ([[vishesha]]), pharmaco-therapeutic aspects, classification of drugs, list of herbs and other animal products useful in purification and pacification therapies are highlighted. Through these deliberations, this chapter essentially lays the foundation for building the body of knowledge on life sciences and healthcare that [[Charak Samhita]] is known for.

The title of [[Charak Samhita]]’s the very first chapter, [[Deerghanjiviteeya Adhyaya]], literally means the chapter on longevity.  This is symbolic, because it implies that [[Ayurveda]] is not merely the science of life, but also a science of longevity. This chapter deliberates on the purpose of long [[life]] and [[health]] as the means of achieving the four primary instincts of human beings (purushartha chatustaya). These are virtue (dharma), wealth (artha), gratification (kama) and emancipation (moksha). Some of the basic tenets of [[Ayurveda]] and its scope are explained. The chapter introduces fundamental principles of [[Ayurveda]], including its definition, objective, concept of three [[sharira]](bodily) [[dosha]] and their qualities, and two [[manasa]] (mental) [[dosha]] and their treatment. The theory of similarity ([[samanya]]) and dissimilarity ([[vishesha]]), pharmaco-therapeutic aspects, classification of drugs, list of herbs and other animal products useful in purification and pacification therapies are highlighted. Through these deliberations, this chapter essentially lays the foundation for building the body of knowledge on life sciences and healthcare that [[Charak Samhita]] is known for.

'''Keywords''': Longevity, [[Ayurveda]], science of life, [[dravya]], material, [[Mahabhuta]], [[Samanya]](similarity), [[Vishesha]](dissimilarity), [[dravya]], [[panchamahabhuta]], [[Guna]], [[Karma]], [[Rasa]], [[Dosha]],  [[Vata]], [[Pitta]], [[Kapha]], [[Rajas]], [[Tamas]], [[Sattva]], qualities of good and bad [[physician]]s, medical ethics.

'''Keywords''': Longevity, [[Ayurveda]], science of life, [[dravya]], material, [[Mahabhuta]], [[Samanya]](similarity), [[Vishesha]](dissimilarity), [[dravya]], [[panchamahabhuta]], [[Guna]], [[Karma]], [[Rasa]], [[Dosha]],  [[Vata]], [[Pitta]], [[Kapha]], [[Rajas]], [[Tamas]], [[Sattva]], qualities of good and bad [[physician]]s, medical ethics.

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[[Health]] is the best source of virtue, wealth, gratification and emancipation; while diseases are destroyers of this (source), welfare and [[life]] itself. Now this ([[disease]]) has appeared as a great obstacle for human beings and what could be the means for their amelioration. Saying this, they concentrated on finding the solution. Then in that state of [[meditation]] they realized Indra as savior. That only the King of the Gods will be able to tell the correct means of amelioration (of [[diseases]]).[15-17]

[[Health]] is the best source of virtue, wealth, gratification and emancipation; while diseases are destroyers of this (source), welfare and [[life]] itself. Now this ([[disease]]) has appeared as a great obstacle for human beings and what could be the means for their amelioration. Saying this, they concentrated on finding the solution. Then in that state of [[meditation]] they realized Indra as savior. That only the King of the Gods will be able to tell the correct means of amelioration (of [[disease]]).[15-17]

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''Vedic'' scholars regard [[Ayurveda]] as the most exalted of [[veda]], and that which is said to be good for both the worlds for the human beings – the present and the after-life. [43]

''Vedic'' scholars regard [[Ayurveda]] as the most exalted of [[veda]], and that which is said to be good for both the worlds for the human beings – the present and the after-life. [43]

=== Principle of [[Samanya]] (similarity) and [[Vishesha]] (dissimilarity) ===

=== [[Samanya Vishesha Theory]] (similarity and dissimilarity)===

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The [[soul]] is free from all diseases and supreme. It is the cause of consciousness when in conjunction with the mind, objects of senses (bhuta guna) and sense organs. It is eternal and the observer who witness of all (psychic and somatic) activities. [56]

The [[soul]] is free from all diseases and supreme. It is the cause of consciousness when in conjunction with the [[Manas|mind]], objects of senses (bhuta guna) and sense organs. It is eternal and the observer who witness of all (psychic and somatic) activities. [56]

=== [[Dosha]] ===

=== [[Dosha]] ===

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[[Vayu]] is dry, cold, light, subtle, mobile, non-slimy and rough in its characteristics and can be pacified by drugs that have opposite properties (i.e., creamy or oily, heavy and thick in their property). [[Pitta]] is mildly unctuous, hot, sharp, viscous, sour, mobile and pungent, and can readily be pacified by drugs and food articles having opposite properties. [[Kapha]] is heavy and dense, cold, soft, unctuous, sweet, immobile and slimy, and can be subsided by drugs and food articles possessing opposite properties. [59-61]

[[Vayu]] is dry, cold, light, subtle, mobile, non-slimy and rough in its characteristics and can be pacified by drugs that have opposite properties (i.e., creamy or oily, heavy and thick in their property).  

 

[[Pitta]] is mildly unctuous, hot, sharp, viscous, sour, mobile and pungent, and can readily be pacified by drugs and food articles having opposite properties.  

 

[[Kapha]] is heavy and dense, cold, soft, unctuous, sweet, immobile and slimy, and can be subsided by drugs and food articles possessing opposite properties. [59-61]

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Drug is of three types- (based on [[prabhava]]) (1) some (drugs) are pacifiers of [[dosha]], (2) some vitiate [[dhatu]] and (3) some are taken as (responsible for) maintaining normal [[health]]. [67]  

Drug is of three types- (based on [[prabhava]]) (1) some (drugs) are pacifiers of [[dosha]], (2) some vitiate [[dhatu]] and (3) some are taken as (responsible for) maintaining normal [[health]]. [67]  

=== Classification of Matters according to Source ===

=== Classification of matter according to Source ===

 

तत् पुनस्त्रिविधं प्रोक्तं जङ्गमौद्भिदपार्थिवम्  |६८|

तत् पुनस्त्रिविधं प्रोक्तं जङ्गमौद्भिदपार्थिवम्  |६८|

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tat punastrividhaM proktaM ja~ggamaudbhidapArthivam |68|

tat punastrividhaM proktaM ja~ggamaudbhidapArthivam |68|

According to the source of origin, the drugs are of three types viz. animal origin, plant origin and earth origin.[68]

According to the source of origin, the drugs are of three types viz. animal origin, plant origin and earth origin.[68]

====Animal origin drugs ====

====1. Animal origin drugs ====

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Animal origin drugs - Honey, milk, bile, animal-fat, bone-marrow, blood, flesh, excrements, urine, skin, semen, bone, ligaments, horns, nails, hoof, hair, down (fine soft dense hair) and inspissated bile - are substances obtained from animals. [68-69]

Animal origin drugs - Honey, milk, bile, animal-fat, bone-marrow, blood, flesh, excrements, urine, skin, semen, bone, ligaments, horns, nails, hoof, hair, down (fine soft dense hair) and inspissated bile - are substances obtained from animals. [68-69]

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====Earth origin drugs ====

====2. Earth origin and 3. Plant origin drugs ====

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Drugs obtained from earth are gold, five metals (silver, copper, tin, lead and iron) along with their by-products such as shilajatu (bitumen), sand, lime, red and yellow arsenic (manahshila and hartala), gems, salt, red ochre and antimony.

Drugs obtained from earth are gold, five metals (silver, copper, tin, lead and iron) along with their by-products such as shilajatu (bitumen), sand, lime, red and yellow arsenic (manahshila and hartala), gems, salt, red ochre and antimony.

Plant origin drugs: Plant origin drugs are of four types viz. direct fruiters, creepers, flower based fruiters and herbs. [70-71]  

'''Plant origin drugs:'''

 

Plant origin drugs are of four types viz. direct fruiters, creepers, flower based fruiters and herbs. [70-71]  

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The roots of 16 plants whose roots are used for [[shodhana]] are [[Hastidanti]] (Brihatphala,Godumba- Croton oblongifolius), [[Haimavati]] (Vacha-Acorus calamus), [[Shyama Trivrit]] (Operculina turpenthum Linn.) , [[Adhoguda]] (Vriddha daru - Argyreia speciosa Sweet.), [[Saptala]] ( Charmakasha-Euphorbia pilosa), [[Shvetanama]] (Shweta aparajita -Clitoria ternatea), [[Pratyakshreni]] (Danti -Baliospermum montanum Muell.-Arg), [[Gavakshi]] (Indravaruni- Cirrullus colocynthis Schrad), [[Jyotishmati]] (Celastrus panniculatus Willd.),  [[Bimbi]] (Coccinia indica W. & A.),  [[Shanapushpi]] (Crotalaria verrucosa Linn.), [[Vishanika]] (Aavartani - Helicteres isora Linn.), [[Ajagandha]] , [[Dravanti]] (Croton tiglium Linn.) and [[Kshirini]] (dugdhika- Euphorbia thymifolia Linn.).  

The roots of 16 plants whose roots are used for [[shodhana]] are [[Hastidanti]] (Brihatphala,Godumba- Croton oblongifolius), [[Haimavati]] (Vacha-Acorus calamus), [[Shyama Trivrit]] (Operculina turpenthum Linn.) , [[Adhoguda]] (Vriddha daru - Argyreia speciosa Sweet.), [[Saptala]] (Charmakasha-Euphorbia pilosa), [[Shweta]] (Shweta aparajita -Clitoria ternatea), [[Pratyakshreni]] ([[Danti]] -Baliospermum montanum Muell.-Arg), [[Gavakshi]] ([[Indravaruni]]- Cirrullus colocynthis Schrad), [[Jyotishmati]] (Celastrus panniculatus Willd.),  [[Bimbi]] (Coccinia indica W. & A.),  [[Shanapushpi]] (Crotalaria verrucosa Linn.), [[Vishanika]] ([[Avartani]] - Helicteres isora Linn.), [[Ajagandha]] , [[Dravanti]] (Croton tiglium Linn.) and [[Kshirini]] ([[dugdhika]]- Euphorbia thymifolia Linn.).

 

 

[[Shweta]](Clitoria ternatea) and [[Jyotishmati]] (Celastrus panniculatus Willd.) are used for intra nasal administration ([[nasya]]).

Out of these [[Shanapushpi]] (Crotalaria verrucosa Linn.), [[Bimbi]] (Coccinia indica W. & A.) and [[Haimavati]] (Vacha-Acorus calamus) are used for therapeutic emesis ([[vamana]]). [[Shveta]](Clitoria ternatea) and [[Jyotishmati]] (Celastrus panniculatus Willd.) are used for intra nasal administration ([[nasya]]) . The remaining 11 drugs are used for therapeutic purgation ([[virechana]]).[77-80]

The remaining 11 drugs are used for therapeutic purgation ([[virechana]]).[77-80]

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The urine of ewe is slightly bitter, unctuous and not antagonistic to [[pitta]]. The urine of she-goat is astringent, sweet and wholesome and dispels the morbid [[dosha]] [100]

The urine of ewe is slightly bitter, unctuous and not antagonistic to [[pitta]].  

 

The urine of she-goat is astringent, sweet and wholesome and dispels the morbid [[dosha]]. [100]

=====Properties of cow’s urine =====

=====Properties of cow’s urine =====

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The urine of cow is slightly sweet, alleviates discordance of [[dosha]] and cures worms and chronic dermatoses ([[kushtha]]) and relieves itching. Its proper intake cures disorders of abdomen. [101]

The urine of cow is slightly sweet, alleviates discordance of [[dosha]]. It cures worms, skin diseases ([[kushtha]]) and relieves itching. Its proper intake cures disorders of abdomen. [101]

=====Properties of urine of buffalo and elephant =====

=====Properties of urine of buffalo and elephant =====

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Goat-herders, sheep-herders,  cowherders and forest-dwellers are acquainted with names and forms/identification of various medicinal herbs and the plants. [120]

Goat-herds, shepherds,  cowherds and forest-dwellers are acquainted with names and forms/identification of various medicinal herbs and the plants. [120]

====Limitation of knowledge of names of plants only ====

====Limitation of knowledge of names of plants only ====

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Just by knowing the names and forms of herbs, though, no one can claim to have a perfect knowledge of medicinal uses of the plants. [121]

Just by knowing the names and forms of herbs, though, no one can claim to have a perfect knowledge of the medicinal uses of the plants. [121]

====Importance of complete knowledge of therapeutic actions of plants ====

====Importance of complete knowledge of therapeutic actions of plants ====

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{| class="wikitable"

{| class="wikitable"

|+ Table 1: Effect of [[rasa] on [[dosha]]

|+ Table 1: Effect of [[rasa]] on [[dosha]]

! rowspan="2" | Shad [[rasa]](six tastes)

! rowspan="2" | Shad [[rasa]](six tastes)

! rowspan="2" | Panchabhautika composition

! rowspan="2" | Panchabhautika composition

[[Ayurveda]] discusses about [[Ayu]] which is conjugation of four factors, and life is not just about the body or like a machine. Besides [[sharira]] (body) it also consists of [[indriya]] (sense organs), [[mana]](mind) and [[atma]](soul). Not just mechanical functions, but the living body consists of dynamic processes with sensations, feelings and intelligence, [[memory]] etc. in each of it’s functional units termed as ''paramanu'' (cell). The knowledge of [[ayu]] is explained by keeping such a living body in view.

[[Ayurveda]] discusses about [[Ayu]] which is conjugation of four factors, and life is not just about the body or like a machine. Besides [[sharira]] (body) it also consists of [[indriya]] (sense organs), [[mana]](mind) and [[atma]](soul). Not just mechanical functions, but the living body consists of dynamic processes with sensations, feelings and intelligence, [[memory]] etc. in each of it’s functional units termed as ''paramanu'' (cell). The knowledge of [[ayu]] is explained by keeping such a living body in view.

==== Indriya (sense organs) ====

==== [[Indriya]] (sense organs) ====

[[Ayurveda]] accepts separate existence of [[indriya]] (sense organs). [[indriya]] are made up of the five [[mahabhuta]]. Each [[indriya]] is composed of portions of all five [[mahabhuta]], with predominance of one of them. Accepting separate existence of [[indriya]] and understanding their composition as made up of [[mahabhuta]] is a significant concept philosophically, and also having important practical applications. Each [[indriya]] operates with the help of certain organs and structures called as ''adhishthana'' (substratum). E.g. eyes, specially retina, optic nerve and the centre for vision in the brain, all can be termed as ''adhishthana''. There is separate existence of [[indriya]], which is very subtle and therefore invisible. Since all these are made up of [[mahabhuta]], with specific diet and specific medicines they can be treated. This is because food and medicines(drugs) are also made up of [[mahabhuta]]. Subtle portion from food nourishes [[indriya]], and medicines can influence and regularize their functions. One can realise, that even the conditions pertaining to ''adhishthana'' like optic nerve degeneration are very much difficult to treat, so one can imagine about the conditions related to [[indriya]]. But with acceptance of [[indriya]] and understanding their composition by [[mahabhuta]] provides scope to treat conditions not only pertaining to ''adhishthana'', but also [[indriya]].

[[Ayurveda]] accepts separate existence of [[indriya]] (sense organs). [[indriya]] are made up of the five [[mahabhuta]]. Each [[indriya]] is composed of portions of all five [[mahabhuta]], with predominance of one of them. Accepting separate existence of [[indriya]] and understanding their composition as made up of [[mahabhuta]] is a significant concept philosophically, and also having important practical applications. Each [[indriya]] operates with the help of certain organs and structures called as ''adhishthana'' (substratum). E.g. eyes, specially retina, optic nerve and the centre for vision in the brain, all can be termed as ''adhishthana''. There is separate existence of [[indriya]], which is very subtle and therefore invisible. Since all these are made up of [[mahabhuta]], with specific diet and specific medicines they can be treated. This is because food and medicines(drugs) are also made up of [[mahabhuta]]. Subtle portion from food nourishes [[indriya]], and medicines can influence and regularize their functions. One can realise, that even the conditions pertaining to ''adhishthana'' like optic nerve degeneration are very much difficult to treat, so one can imagine about the conditions related to [[indriya]]. But with acceptance of [[indriya]] and understanding their composition by [[mahabhuta]] provides scope to treat conditions not only pertaining to ''adhishthana'', but also [[indriya]].

[[Atma]] along with the subtle [[indriya]] and [[mana]] when enters in the union of sperm and ovum, [[ayu]](life) starts. Even after in vivo fertilization of ovum with advanced procedures like ICSI, sometimes new life may not be started. As per [[Ayurveda]], it can be understood that [[atma]] has not entered in that union. The conjugation of four factors i.e. the body and [[atma]] which enters in it with [[indriya]] and [[mana]], continues till death. At the time of death, [[atma]] along with [[indriya]] and [[mana]] leaves the body. When [[atma]] realises that it is distinct from the body, [[indriya]] and [[mana]], it gets ''moksha'' (emancipation).

[[Atma]] along with the subtle [[indriya]] and [[mana]] when enters in the union of sperm and ovum, [[ayu]](life) starts. Even after in vivo fertilization of ovum with advanced procedures like ICSI, sometimes new life may not be started. As per [[Ayurveda]], it can be understood that [[atma]] has not entered in that union. The conjugation of four factors i.e. the body and [[atma]] which enters in it with [[indriya]] and [[mana]], continues till death. At the time of death, [[atma]] along with [[indriya]] and [[mana]] leaves the body. When [[atma]] realizes that it is distinct from the body, [[indriya]] and [[mana]], it gets ''moksha'' (emancipation).

====Synonyms of [[Ayu]] (life)====

====Synonyms of [[Ayu]] (life)====

Certain branches of [[veda]] like ''Dhanurveda'' (pertaining to knowledge of archery and war technology) are beneficial for the present life. Where as certain portions like ''upanishada'' and ''aranyaka'' are beneficial for the life after death. But [[Ayurveda]] is beneficial not only for this life, but for the other life also. By providing sound health, it is beneficial for present life. With sound health only it’s possible to perform specific rituals and good acts, which may lead to better life after death. Also with sound health only it is possible to make efforts to acquire the supreme knowledge which will lead to emancipation.

Certain branches of [[veda]] like ''Dhanurveda'' (pertaining to knowledge of archery and war technology) are beneficial for the present life. Where as certain portions like ''upanishada'' and ''aranyaka'' are beneficial for the life after death. But [[Ayurveda]] is beneficial not only for this life, but for the other life also. By providing sound health, it is beneficial for present life. With sound health only it’s possible to perform specific rituals and good acts, which may lead to better life after death. Also with sound health only it is possible to make efforts to acquire the supreme knowledge which will lead to emancipation.

===Theory of [[samanya]] and [[vishesha]]===  

=== [[Samanya Vishesha Theory]]===  

[[Samanya]] and [[vishesha]] are pertaining to [[dravya]], [[guna]] and [[karma]]. E.g. when a person observes a white pen, there is a process involved in this understanding. The light emitted by that pen reaches the eyes. This sensation is conducted to the centre in the brain through [[indriya]] (sense organ). This happens in the presence of mind. We know that an absent minded person may not pay attention to this pen. The mind processes the information and analyses it, based on which the [[buddhi]] (intelligence), which is an attribute of the [[atma]] (soul), takes a decision about the nature of the object and on whether it is beneficial or not. This process is called as ''jnanotpatti'' (manifestation of [[knowledge]]). When we see another white pen, the same procedure is repeated and we understand that it also a white pen. We observe two white pens, and understand that they are similar. This is referred in the verse 45 as ''ekatva'' (similarity). How do we understand this similarity? It is said that both these white pens have an inherent principle called [[samanya]] which helps us to understand similarity (''samanyam ekatvakaram''). When we observe a black pen, we understand the distinction between it and the white pen. It is said that both of them contained a principle [[vishesha]] due to which we understood the dissimilarity, distinction (''prithaktvakrita''). This is the brief essence of the principle of [[Samanya]]-[[vishesha]]. This concept is also found in ''vaisheshika darshana'' (a school of Indian philosophy). Many other schools of philosophy have discussed it, but [[Ayurveda]] has applied this concept in practice.

[[Samanya]] and [[vishesha]] are pertaining to [[dravya]], [[guna]] and [[karma]]. E.g. when a person observes a white pen, there is a process involved in this understanding. The light emitted by that pen reaches the eyes. This sensation is conducted to the centre in the brain through [[indriya]] (sense organ). This happens in the presence of mind. We know that an absent minded person may not pay attention to this pen. The mind processes the information and analyses it, based on which the [[buddhi]] (intelligence), which is an attribute of the [[atma]] (soul), takes a decision about the nature of the object and on whether it is beneficial or not. This process is called as ''jnanotpatti'' (manifestation of [[knowledge]]). When we see another white pen, the same procedure is repeated and we understand that it also a white pen. We observe two white pens, and understand that they are similar. This is referred in the verse 45 as ''ekatva'' (similarity). How do we understand this similarity? It is said that both these white pens have an inherent principle called [[samanya]] which helps us to understand similarity (''samanyam ekatvakaram''). When we observe a black pen, we understand the distinction between it and the white pen. It is said that both of them contained a principle [[vishesha]] due to which we understood the dissimilarity, distinction (''prithaktvakrita''). This is the brief essence of the principle of [[Samanya]]-[[vishesha]]. This concept is also found in ''vaisheshika darshana'' (a school of Indian philosophy). Many other schools of philosophy have discussed it, but [[Ayurveda]] has applied this concept in practice.

Correct drug and knowledgeable [[physician]]s are the two important pillars of successful treatment. Therefore, it is necessary to know the qualities of correct medicine and a good [[physician]]. The drugs having all the requisite properties and actions required for cure a particular disease is considered as the proper drug. For a good [[physician]], it is necessary to have all the knowledge of the principles underlying the correct application of medicines. Sometimes a randomly prescribed medicine by a pseudo [[physician]] also succeeds in alleviating disease and in that case the credit is not his but it is just accidental. Thus, only that [[physician]] is best who has proficiency in the principle governing the use of a drug, knows all the aspects of the medicine to select and thus has the capability of curing the diseases. [Verse 134]

Correct drug and knowledgeable [[physician]]s are the two important pillars of successful treatment. Therefore, it is necessary to know the qualities of correct medicine and a good [[physician]]. The drugs having all the requisite properties and actions required for cure a particular disease is considered as the proper drug. For a good [[physician]], it is necessary to have all the knowledge of the principles underlying the correct application of medicines. Sometimes a randomly prescribed medicine by a pseudo [[physician]] also succeeds in alleviating disease and in that case the credit is not his but it is just accidental. Thus, only that [[physician]] is best who has proficiency in the principle governing the use of a drug, knows all the aspects of the medicine to select and thus has the capability of curing the diseases. [Verse 134]

=== Cause-effect principle of [[ayurveda]] ===

=== [[Kaarya Kaarana Siddhanta]] ===

[[Ayurveda]] has a very scientific principle of ''karya-karana vada'' which says every action (''karya'') has its specific cause (''karana''). Therefore, on the basis of this principle, if the disease is cured, it can be said that a proper medicine having all the requisite curative properties and action has been administered. Similarly, if there is a success in curing a disease, it also implies that the [[physician]] is proficient in [[Ayurveda]] and is endowed with all the good qualities as envisaged in ''Khuddaka chatushpada''. [Cha.Sa.[[Sutra Sthana]] l0/ 6] [Verse 135]

[[Ayurveda]] has a very scientific principle of ''kaarya-karana vada'' which says every action (''kaarya'') has its specific cause (''kaarana''). Therefore, on the basis of this principle, if the disease is cured, it can be said that a proper medicine having all the requisite curative properties and action has been administered. Similarly, if there is a success in curing a disease, it also implies that the [[physician]] is proficient in [[Ayurveda]] and is endowed with all the good qualities as envisaged in ''Khuddaka chatushpada''. [Cha.Sa.[[Sutra Sthana]] l0/ 6] [Verse 135]

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