28 Jesus cried, therefore, in the temple, teaching and saying, 'Ye have both known me, and ye have known whence I am; and I have not come of myself, but He who sent me is true, whom ye have not known;

Matthew Henry's Commentary on John 7:28

Commentary on John 7:25-30

(Read John 7:25-30)

Christ proclaimed aloud, that they were in error in their thoughts about his origin. He was sent of God, who showed himself true to his promises. This declaration, that they knew not God, with his claim to peculiar knowledge, provoked the hearers; and they sought to take him, but God can tie men's hands, though he does not turn their hearts.