This Shruti, quite of a piece with the truth, is heard that all things have been created for the celebration of Sacrifice. It was thus that all men of yore undertook the celebration of sacrifices.
यज्ञार्थानि हि सृष्टानि यथार्था श्रूयते श्रुतिः। एवं पूर्वतरा: सर्वे प्रवृत्ताश्चैव मानवाः॥