CC Madhya 6.165
prakṛtiṁ viddhi me parām
yayedaṁ dhāryate jagat
aparā — inferior; iyam — this; itaḥ — from this; tu — but; anyām — another; prakṛtim — nature; viddhi — know; me — My; parām — transcendental; jīva-bhūtām — existing as the living entities; mahā-bāho — O mighty-armed one; yayā — by which; idam — this; dhāryate — is sustained; jagat — material world.
“ ‘Besides these inferior energies, which are material, there is another energy, a spiritual energy, and this is the living being, O mighty-armed one. The entire material world is sustained by the living entities.’
Verses 164 and 165 are quotations from the Bhagavad-gītā (7.4-5).