Bhagavatapurana 2.1.39

2.1.39

sa sarvadhīvṛttyanubhūtasarva ātmā yathā svapnajanekṣitaikaḥ /
taṃ satyam ānandanidhiṃ bhajeta nānyatra sajjedyata ātmapātaḥ //

39. He is Atman, the one who directly experiences all by His powers of understanding, just as one sees all His kindred in a dream; devote thyself to that real Atman, the abode of all bliss, and do not set thy mind on anything else—for the reverse brings on the fall of the soul.