Not that any man hath seen the Father, save he that is from God, he hath seen the Father.
Not that any man hath seen, &c.--Lest they should confound that "hearing and learning of the Father," to which believers are admitted by divine teaching, with His own immediate access to Him, He here throws in a parenthetical explanation; stating, as explicitly as words could do it, how totally different the two cases were, and that only He who is "from God" hath this naked, immediate access to the Father.
Christ let them question Him freely, no small condescension. The wise teacher listens swiftly and turns even foolish questions toward what profits. These Galileans asking "What shall we do?" show a teachable mind, unlike the Judean critics who came only to cavil. He answers the sincere request, not the impertinent quibble.
AI summary
Commenting on John 6:28-59
Verily, verily, I say unto you,.... This is a certain truth, and to be depended on: he that believeth on me hath everlasting life; not only he may have it, as in Joh 6:40, and shall have it, but he has it; he has it in Christ, his head and representative; he has it in the covenant of grace; he has it in faith and...