SB 12.12.63

aṛcaḥ — the mantras of the Ṛg Veda; yajūṁṣi — those of the Yajur Veda; sāmāni — and those of the Sāma Veda; dvijaḥ — a brāhmaṇa; adhītya — studying; anuvindate — obtains; madhu-kulyāḥ — rivers of honey; ghṛta-kulyāḥ — rivers of ghee; payaḥ-kulyāḥ — rivers of milk; ca — and; tat — that; phalam — fruit.