The Yaksha said: What is that one thing) which is the sacrificial Soma? What is that which constitutes the sacrificial Yaju? What is that which sacrifice can not do without?
यक्ष उवाच किमेकं यज्ञियं साम किमेकं यज्ञियं यजुः। का चैषां वृणुते यज्ञं कां यज्ञो नातिवर्तते॥