Jesus cried and said - This is our Lord's concluding discourse to this wicked people: probably this and the following verses should be understood as a part of the discourse which was left off at the 36th verse.
Jesus cried - he spoke these words aloud, and showed his earnest desire for their salvation.
Believeth not on me, (only), but on him that sent me - Here he asserts again his indivisible unity with the Father: - he who believes on the Son believes on the Father: he who hath seen the Son hath seen the Father: he who honors the Son honors the Father. Though it was for asserting this (his oneness with God) that they were going to crucify him, yet he retracts nothing of what he had spoken, but strongly reasserts it, in the very jaws of death!
Jesus cried and said - John does not say where or when this was; it is probable, however, that it was a continuation of the discourse recorded in John 12:30-36. Jesus saw their unbelief, and proceeded to state the consequence of believing on him, and of rejecting him and his message.
Believeth not on me - That is, not on me alone, or his faith does not terminate on me. Compare Matthew 10:20; Mark 9:37. It involves, also, belief in him that sent me. Jesus uniformly represents the union between himself and God as so intimate that there could not be faith in him unless there was also faith in God. He did the same works John 5:17, John 5:20, John 5:36; John 10:25, John 10:37, and taught the very doctrine which God had commissioned him to do, John 8:38; John 5:30, John 5:20-23.