Verse 19

नाहमस्ति न चान्योस्ति नच नास्तीति भावितम् ।मनः प्रशान्तिमायातं नोपादेयेषु मज्जति

In plain words

'I am not, nor is there another, nor yet is it that nothing is' — realizing this, the mind, come to utter peace, no longer sinks into what is to be taken up.