CC Ādi 5.106

hiraṇya-garbha, antaryāmī, jagat-kāraṇa
yāṅra aṁśa kari’ kare virāṭa-kalpana
Word for word: 
hiraṇya-garbha — Hiraṇyagarbha; antaḥ-yāmī — the Supersoul; jagat-kāraṇa — the cause of the material world; yāṅra aṁśa kari’ — taking as His expansion; kare — does; virāṭa-kalpana — conception of the universal form.
Translation: 
He is the Supersoul, Hiraṇyagarbha, the cause of the material world. The universal form is conceived as His expansion.