the divine nature of Christ, is the key-note of John’s Gospel, and of all his other writings. His main object is to convince men that Jesus is God manifest in the flesh, and that the acknowledgment of Him as such is necessary to salvation. This Apostle was, therefore, in the early Church called the Θελολόγος, because he taught so clearly and earnestly that the λόγος is God. In verse 18 of this chapter he says that the Son alone has the knowledge of God, and is the source of that knowledge to others. He showed Nathanael that He knew his character, being the searcher of hearts. In his discourse with Nicodemus, He spoke with divine authority; revealing the things of heaven, because He came from heaven and was even then in heaven.
Charles Hodge, vol. 1, Systematic Theology, 506-07 (Oak Harbor, WA: Logos Research Systems, Inc., 1997).
While we think of Jesus as being flesh and fully human, we must not forget that He is God and is fully God.
Jesus, in the incarnation, did not become less than Divine. The kenosis did not leave Him empty of the Divine attributes. Hodge uses John 3:13 to establish that, though Jesus lived in a body on the earth, He was still omnipresent and was also in heaven while upon earth.
This being so, what should we think about the omniscience of Jesus? Did He lose that in the incarnation? No. It seems that He did not always exercise omniscience, but He obviously knew the hearts of men. He knew the future, because He told Peter what would happen to him during his last days. He did not know the day nor the hour of His return, but that does not negate the omniscience of Jesus.
Why is this important? It is important because, just because Jesus possessed omniscience, though He did not always use it. One of the mysteries of the incarnation is how that God the Son as man could actually be both omniscient and not know some things.
He is God, who knows all. He was man, who is limited in knowledge. He is both.
Let us not think that Jesus was lacking the ability to speak to us correctly concerning anything. He spoke the Words of God. He spoke truly. His humanity did not prevent Him from speaking without error.
The Divine is not sullied, tarnished, inhibited, or made less glorious by the union with flesh.
- The Incarnation of The Son of God (pastoralmusings.com)
- Charles Hodge on Jesus, The Apostles, And Scripture (pastoralmusings.com)
- Charles Hodge On The Scriptures (pastoralmusings.com)