Verse 5

नाहमस्मि न चान्योऽस्ति मा भवन्तु भवन्तु वा ।सुखान्यसक्त इत्यन्तः कथ्यते मुक्तिभाङ्नरः

In plain words

"I am not, nor is there another; let pleasures not be, or let them be" -- the man who is thus unattached within is called one who partakes of liberation.