The Jews therefore said unto him, Thou art not yet fifty years old, and hast thou seen Abraham?
Amid the blazing golden lamps of the treasury at tabernacles, when all Jerusalem danced in joy, Christ proclaims in the most absolute sense: I am the Light of the World. The Baptist was a burning lamp sent to witness to that Light; but He alone is the true Light that lightens every man coming into the world, the Messiah promised of old.
AI summary
Commenting on John 8:12-59
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.
57. Thou art not yet fifty years old. They endeavor to refute Christ’s saying, by showing that he had asserted what was impossible, when he who was not yet fifty years of age makes himself equal to Abraham, who died many centuries before.