Constancy in knowledge of the self, and insight into the goal of knowledge of truth — this is declared to be knowledge; whatever is contrary to it is ignorance.
अध्यात्मज्ञाननित्यत्वं तत्त्वज्ञानार्थदर्शनम् | एतज्ज्ञानमिति प्रोक्तमज्ञानं यदतोऽन्यथा ||१३-१२||