One verse

Srimad Bhagavatam 3.7.21

3.7.21

सृष्ट्वाग्रे महदादीनि सविकाराण्यनुक्रमात् । तेभ्यो विराजमुद्‍धृत्य तमनु प्राविशद्विभु: ॥ २१ ॥

srstvagre mahad-adini sa-vikarany anukramat tebhyo virajam uddhrtya tam anu pravisad vibhuh

srstva
after creating
agre
in the beginning
mahat-adini
the total material energy
sa-vikarani
along with the sense organs
anukramat
by a gradual process of differentiation
tebhyah
out of that
virajam
the gigantic universal form
uddhrtya
manifesting
tam
unto that
anu
later
pravisat
entered
vibhuh
the Supreme.

After creating the total material energy, the mahat-tattva, and thereby manifesting the gigantic universal form with senses and sense organs, the Supreme Lord entered within it.