John 14:10

I am in the Father, and the Father in me. It is the opinion of Mr. Calvin, that these words are not here spoken so much to express his Divine nature and being, (for so Christ is no more known to us than his Father), as to express his manner of revealing it. Yet is the Divine nature of Christ fully proved from hence. Others judge, that these words do clearly signify both the distinction of persons, for nothing is in itself, and also the union of the persons in the Divine Being. He proveth his union with the Father, because he spake not those words which he spake of himself; that is, not of himself solely; he revealed but his Father's will, and declared his Father's mind; and because the works which he did, he did not by his own sole power, without the concurrence of his Father's power in those operations.