pūrveṣāṁ pūrva-jaiḥ kṛtam

atra-in this matter; pramanam-evidential facts; hi-certainly; bhavan-yourself; paramesthi-Brahma, the creator of the universe; yatha-as; atma-bhuh-born directly from the Lord; apare-others; ca-only; anutisthanti-just to follow; purvesam-as a matter of custom; purva-jaih-knowledge suggested by a previous philosopher; krtam-having been done.