John 7:28 KJV
Then cried Jesus in the temple as he taught, saying, Ye both know me, and ye know whence I am: and I am not come of myself, but he that sent me is true, whom ye know not.
John 7:28, King James Version
In context
27 Howbeit we know this man whence he is: but when Christ cometh, no man knoweth whence he is.
28 Then cried Jesus in the temple as he taught, saying, Ye both know me, and ye know whence I am: and I am not come of myself, but he that sent me is true, whom ye know not.
29 But I know him: for I am from him, and he hath sent me.