यज्ञप्रवर्तनम् (Yajña-pravartana) — The Institution/Commencement of Sacrifice in Dvāpara
आयुर्मेधा बलं रूपं कुलं चैव प्रणश्यति / शूद्राश्च ब्राह्मणाचाराः शूद्राचाराश्च ब्राह्मणाः
āyurmedhā balaṃ rūpaṃ kulaṃ caiva praṇaśyati / śūdrāśca brāhmaṇācārāḥ śūdrācārāśca brāhmaṇāḥ
Lifespan, intellect, strength, beauty, and lineage perish; śūdras take up brāhmaṇa conduct, and brāhmaṇas adopt śūdra ways.