sapatnāṁs tava tejasā

vrnimahe-we choose; tva-you; upadhyayam-as teacher and spiritual master; brahmistham-being perfectly aware of the Supreme Brahman; brahmanam-a qualified brahmana; gurum-the perfect spiritual master; yatha-so that; anjasa-very easily; vijesyamah-we shall defeat; sapatnan-our rivals; tava-your; tejasa-by the power of austerity.