John 7:15 in the King James Version
And the Jews marvelled, saying, How knoweth this man letters, having never learned?
Context
14 But when it was now the middle of the feast, Jesus went up into the temple and taught.
15 The Jews therefore marveled, saying, “How does this man know letters, having never been educated?”
16 Jesus therefore answered them, “My teaching is not mine, but his who sent me.