But those who carp at My teaching and do not practice it, deluded in all knowledge, and devoid of discrimination, know them to be doomed to destruction.

ye = those; tu = however; etat = this; abhyasūyantaḥ = out of envy; na = do not; anutiṣṭhanti = regularly perform; me = My; mataṃ = injunction; sarvajñāna = in all sorts of knowledge; vimūḍhān = perfectly befooled; tān = they are; viddhi = know it well; naṣṭān = all ruined; acetasaḥ = without Krishna consciousness.;