“Jesus knowing that the Father had given all things into his hands, and that he was come from God, and went to God;”
Jesus, knowing that the Father had put all things under his authority, and that he had come from God and was going to God — this is the hidden knowledge that empowers Jesus' radical vulnerability in the footwashing that follows. He does not serve from weakness or obligation but from supreme lordship; having all things under his authority, he is free to lay it aside. The affirmation that he came from God and is going to God establishes his eternal origin and destination, making his earthly humiliation not a tragedy but an exercise of divine freedom. The threefold knowing—all things under his authority, origin from God, destination to God—creates the theological foundation for servant love as the highest expression of power.
Church Fathers on John 13:3
Our Lord being about to depart out of this life, shows His great care for His disciples: Now before the feast of the Passover, when Jesus knew that His hour was come that He should depart out of this world to the Father, having loved His own which were in the world, He loved them to the end.
The Jews had many feasts, but the principal one was the passover; and therefore it is particularly said, Before the feast of the passover.
though there is remarkable agreement of the two languages in it. The Greek word to suffer being pascha has been thought to mean passion, as being derived from the above word. But in Hebrew, pascha is a passing over; the feast deriving its name from the passing, of the people of God over the Red Sea into Egypt. All was now to take place in reality, of which that passover was the type. Christ was led as a lamb to the slaughter; whose blood sprinkled upon our doorposts, i.e.…