सुप्रभातम् - चरकसंहिता - सूत्रस्थानम् - सप्तदशोऽध्यायः

नित्यं सन्निहितामित्रं समीक्ष्यात्मानमात्मवान्।

नित्यं युक्तः परिचरेदिच्छन्नायुरनित्वरम्॥

(चरकसंहिता-सूत्रस्थानम्-१७/११९)

A person desiring to live the full span of life should remain self controlled and live with great caution assuming that he is constantly surrounded by the foes to his health.

(Charakasamhita Sutrasthanam 17/119)

सर्वा हि चेष्टा वातेन स प्राणः प्राणीनां स्मृतः। तेनैव रोगा जायन्ते तेन चैवोपरुध्यते॥

(चरकसंहिता-सूत्रस्थानम्-१७/११८)

Vāta is responsible for all types of movements in living beings and represents life of living-beings, but vitiated vata causes many diseases and is even responsible for causing death.

(Charakasamhita Sutrasthanam 17/118)

प्राकृतस्तु बलं श्लेष्मा विकृतो मल उच्यते।

स चैवौजः स्मृतः काये स च पाप्मोपदिश्यते॥

(चरकसंहिता-सूत्रस्थानम्-१७/११७)

Normal kapha contributes to body-strength but when vitiated, it becomes waste material (mala). Normal kapha is also responsible for ojas, however on provocation, it could cause various ailments in the body.

(Charakasamhita Sutrasthanam 17/117)

पित्तादेवोष्मणः पक्तिर्नराणामुपजायते।

तच्च पित्तं प्रकुपितं विकारान् कुरुते बहून्॥

(चरकसंहिता-सूत्रस्थानम्-१७/११६)

Normally, heat generated by pitta digests the food but when the same pitta is in a provoked state, it causes various disorders.

(Charakasamhita Sutrasthanam 17/116)