John 8:57

“Then said the Jews unto him, thou art not yet fifty years old, etc.] One copy reads forty, but he was not that; no, not much more than thirty; not above two or three and thirty years old: the reason of their fixing on this age of fifty might be, because Christ might look like such an one, being a man of sorrows and acquainted with griefs, as well as of great gravity; or they might be free in allowing him as many years, as could be thought he should be of, and gain their point; for what were fifty years, when Abraham had been dead above two thousand? and therefore he could never see Abraham, nor Abraham see him; moreover, this age of fifty, is often spoken of by the Jews, and much observed;…”

“Then said the Jews unto him, Thou art not yet fifty years old--"No inference can be drawn from this as to the age of our Lord at the time as man. Fifty years was with the Jews the completion of manhood" [ALFORD]. and hast thou seen Abraham?--He had said Abraham saw Him, as being his peculiar privilege. They give the opposite turn to it--"Hast Thou seen Abraham?" as an honor too great for Him to pretend to.”

“Fifty years old - Jesus is supposed to have been at this time about the age of 33. It is remarkable that when he was so young they should have mentioned the number 50, but they probably designed to prevent the possibility of a reply. Had they said 40 they might have apprehended a reply, or could not be so certain that they were correct. Hast thou seen Abraham? - It is remarkable, also, that they perverted his words. His affirmation was not that he had seen Abraham, but that Abraham had seen his day. The design of Jesus was to show that he was greater than Abraham, John 8:53. To do this, he says that Abraham, great as he was, earnestly desired to see his time, thus acknowledging his…”

“Thou art not yet fifty years old - At the most. Perhaps the gravity of our Lord's countenance, together with his afflictions and labours, might make him appear older than he really was. Hast thou seen Abraham - Which they justly supposed must have been, if Abraham had seen him. John 8:58”

“8:57 You aren’t even fifty years old: The Jewish leaders misunderstood Jesus: He was talking about his divine pre-existence, not his physical age.”