Verse 4

तिष्ठन्नक्षुभिताकारश्चिन्तामणिरिवात्मनि ।संपूर्ण इव शीतांशुर्विश्रान्त इव मन्दरः

In plain words

remaining in the ātman, his form unshaken, like a cintāmaṇi; like the full moon; like Mandara at rest;