Bhagavad Gita 15.14
अहं वैश्वानरो भूत्वा प्राणिनां देहमाश्रितः।प्राणापानसमायुक्तः पचाम्यन्नं चतुर्विधम्।।15.14।।
Aham vaishvanaro bhutva praninam dehamashritah, pranapanasamayuktah pachamyannam chaturvidham
Simple meaning, written by AIBecoming the digestive fire Vaishvanara, dwelling in the bodies of living beings and joined with prana and apana, I digest the four kinds of food.