आपातालमनन्तात्मा पूरितोऽम्भोधिरम्बुभिः ।आब्रह्मस्तम्बपर्यन्तं जगदापूर्णमात्मना
In plain words
As the boundless ocean is filled with its own waters down to Pātāla, so the world, from Brahmā down to the humblest blade of grass, is filled full with the ātman.