Śrīmad-Bhāgavatam 3.8.16
SB 3.8.16
Open the full passageSanskrit
tasyāṁ sa cāmbho-ruha-karṇikāyām avasthito lokam apaśyamānaḥ parikraman vyomni vivṛtta-netraś catvāri lebhe 'nudiśaṁ mukhāni
Translation
Brahmā, born out of the lotus flower, could not see the world, although he was situated in the whorl. He therefore circumambulated all of space, and while moving his eyes in all directions he achieved four heads in terms of the four directions.