Whether it Be of God

And the Jews wondered, saying: How doth this man know letters, having never learned?

Jesus answered them, and said: My doctrine is not mine, but his that sent me.

If any man will do the will of him; he shall know of the doctrine, whether it be of God, or whether I speak of myself.

He that speaketh of himself, seeketh his own glory: but he that seeketh the glory of him that sent him, he is true, and there is no injustice in him.

~ John 7:15-18