Bhagavad Gita 13.17

अविभक्तं च भूतेषु विभक्तमिव च स्थितम् |
भूतभर्तृ च तज्ज्ञेयं ग्रसिष्णु प्रभविष्णु च

Translation

He is indivisible, yet He appears to be divided amongst living beings. Know the Supreme Entity to be the Sustainer, Annihilator, and Creator of all beings.