सर्वमन्तः परित्यज्य शीतलाशयवर्ति यत् ।वृत्तिस्थमपि तच्चित्तमसद्रूपमुदाहृतम्
In plain words
That which, having abandoned everything within, dwells in a place of cool repose — even while present in mental modification, that citta is declared to be of unreal form.