Verse 59

अहमात्मेति जीवोऽस्मीत्येतावच्चित्तकं विदुः ।अनेनेत्थमनाद्यन्तं दुःखं राघव तन्यते

In plain words

'I am ātman'; 'I am the jīva' -- just this much do they know as citta. By this, O Rāghava, suffering without beginning or end is spun out in this way.