The Great Epic of the Bhārata dynasty 6.34.3

6.34.3

ye tvakṣaramanirdeśyamavyaktaṃ paryupāsate |
sarvatragamacintyaṃ ca kūṭasthamacalaṃ dhruvam || 3 ||

But those also, who worship the Imperishable, the Indefinable, the Unmanifested, the Omnipresent, the Unthinkable, the Unchangeable, the Immovable, the Eternal,—having subdued all the senses, even-minded everywhere, engaged in the welfare of all beings, verily, they reach only Myself.