Verse 13

नात्मज्ञस्यैष विषय आत्मज्ञो ह्यात्मवान्स्वयम् ।आत्मनात्मनि संतृप्तो नाविद्यामनुधावति

In plain words

This is no province of the knower of the Self; for the knower of the Self is, of himself, one who possesses the Self. Sated by the Self within the Self, he does not run after avidyā.