चतुर्युगाख्यान (Caturyuga-Ākhyāna) — Yuga-wise Origins and Measurements of Beings
ऋचो यजूंसामानि ब्रह्मणो ऽङ्गानि च श्रुतिः / मन्वन्तरस्यातीतस्य स्मृत्वाचारान्मनुर्जगौ
ṛco yajūṃsāmāni brahmaṇo 'ṅgāni ca śrutiḥ / manvantarasyātītasya smṛtvācārānmanurjagau
Ṛk, Yajus, and Sāman—this śruti is the very limbs of Brahman. Recalling the observances of a bygone manvantara, Manu spoke them forth.