Charak Samhita
मात्रातस्याशितीयौ च नवेगान्धारणं तथा। इन्द्रियोपक्रमश्चेति चत्वारः स्वास्थ्यवृत्तिकाः ॥३७॥
5. Measurement of eating; 6. Human dietetics; 7. Non-suppression of natural urges; 8. Description of sense organs; The above mentioned four chapters constitute the quadrate on the maintenance of positive health.
english translation
mAtrAtasyAzitIyau ca navegAndhAraNaM tathA। indriyopakramazceti catvAraH svAsthyavRttikAH ॥37॥
hk transliteration by Sanscript