Yudhishthira said: Life is the sacrificial Soma; mind is the sacrificial Yaju; it is Rich which accompanies sacrifice and without which sacrifice can not do.
युधिष्ठिर उवाच प्राणो वै यज्ञियं साम मनो वै यज्ञियं यजुः। ऋगेका वृणुते यज्ञं तां यज्ञो नातिवर्तते॥