Verse 29

सदात्मना सदेवेदं जगत्पश्यति नो मनः ।यथा स्वप्ने तथैवास्मिञ्जाग्रत्यपि जनेश्वर

In plain words

It is not the mind that sees this world as the real, through the real self, O lord of men; as it is in a dream, so it is even in this waking.