Chapter 4 · verse 30 · gita.yoga.org

Bhagavad Gita 4.30

अपरे नियताहाराः प्राणान्प्राणेषु जुह्वति। सर्वेऽप्येते यज्ञविदो यज्ञक्षपितकल्मषाः

Others who regulate their diet offer life-breaths in each life-breath. All these are knowers of sacrifice, whose sins are destroyed through sacrifice.