Keepअयं सोहमयं नाहमिति चिन्ता नरोत्तमम् ।खर्वीकरोति यं नान्तर्नष्टं तस्य मनो विदुःIn plain wordsThe thought 'I am this,' 'I am not this' -- the best of men whom it does not diminish within -- his mind, they know, is destroyed.