svayambhūr iti śuśruma

yamadutah ucuh-the order carriers of Yamaraja said; veda-by the four Vedas (Sama, Yajur, Rg and Atharva); pranihitah-prescribed; dharmah-religious principles; hi-indeed; adharmah-irreligious principles; tat-viparyayah-the opposite of that (that which is not supported by Vedic injunctions); vedah-the Vedas, books of knowledge; narayanah saksat-directly the Supreme Personality of Godhead (being the words of Narayana); svayam-bhuh-self-born, self-sufficient (appearing only from the breath of Narayana and not being learned from anyone else); iti-thus; susruma-we have heard.