Verse 17

केवलं स्वस्वभावेन द्रष्ट्रदृश्ये विचारयन् ।क्षणं विश्रान्तवानन्तः परमात्मात्मनात्मनि

In plain words

Simply through my own nature, reflecting on seer and seen, for a moment I rested within -- I, the paramātman, by the ātman, in the ātman.