God Himself is within Himself, since the three divine hypostases...
God Himself is within Himself, since the three divine hypostases co-naturally and eternally cleave to one another and unconfusedly interpenetrate each other.
Yet God is also in the universe and the universe is within God, the one sustaining, the other being sustained by Him.
Thus all things participate in God's sustaining energy, but not in His essence.
St Gregory Palamas
