John 7:16 ASV

¹⁴  But when it was now the midst of the feast Jesus went up into the temple, and taught.

¹⁵  The Jews therefore marvelled, saying, How knoweth this man letters, having never learned?

¹⁶  Jesus therefore answered them and said, My teaching is not mine, but his that sent me.

¹⁷  If any man willeth to do his will, he shall know of the teaching, whether it is of God, or `whether' I speak from myself.

¹⁸  He that speaketh from himself seeketh his own glory: but he that seeketh the glory of him that sent him, the same is true, and no unrighteousness is in him.