Skandapurana 17.18.273

17.18.273

tenedaṃ sakalaṃ jātaṃ pādasyāgre vyavasthitam..
brahmāṃḍabhedanaṃ kṛtvā na gantavyaṃ bahistvayā .. 273 ..

By him all this was produced; he stood before the foot: / “Having pierced the egg of Brahmā, you must not go outside!”