Bhagavatapurana 3.5.49

3.5.49

tvaṃ naḥ surāṇām asi sānvayānāṃ kūṭa-stha ādyaḥ puruṣaḥ purāṇaḥ /
tvaṃ deva śaktyāṃ guṇa-karma-yonau retas tv ajāyāṃ kavim ādadhe 'jaḥ //

49. O Lord, Thou art the First cause of us all, the gods, along with their causes or with those who are born of them ; Thou art the most ancient Purusha presiding over all, never subject to changes ; O God, Thou art the Unborn, and hast placed Thy seed which is all-intelligence, namely, Mahat Tattva, in the powerful Maya (Prakriti), the source of the three gunas and of all actions (birth, etc.)