William Burkitt Anglican @expositoryburkitt

Here observe, 1st. A proof of our Saviour's godhead; he came forth from the Father into the world; He came out from the Father in his incarnation, and came into the world to accomplish the work of our redemption. Learn hence, that Jesus Christ is true God, equal with the Father: for he was not only sent by him, but came forth from him; I came out from the Father.

Jamieson-Fausset-Brown Reformed @jfbcommentary

I came forth from the Father, &c.--that is, "And ye are right, for I have indeed so come forth,and shall soon return whence I came." This echo of the truth, alluded to in Joh 16:27, seems like thinking aloud, as if it were grateful to His own spirit on such a subject and at such an hour.

Matthew Henry Presbyterian @wholebiblehenry

Two things Christ here comforts his disciples with: - I. With an assurance that, though he was leaving the world, he was returning to his Father, from whom he came forth Joh 16:28-32, where we have, 1. A plain declaration of Christ's mission from the Father, and his return to him (Joh 16:28): I came forth from the Father, and am come, as you see, into the world.

Commenting on John 16:28-33