This is never to be spoken by you to one who is without austerity, nor to one without devotion, nor to one who does not wish to listen, nor to one who speaks ill of me.
इदं ते नातपस्काय नाभक्ताय कदाचन | न चाशुश्रूषवे वाच्यं न च मां योऽभ्यसूयति ||१८-६७||