John 7:16 YLT

¹⁴  And it being now the middle of the feast, Jesus went up to the temple, and he was teaching,

¹⁵  and the Jews were wondering, saying, 'How hath this one known letters -- not having learned?'

¹⁶  Jesus answered them and said, 'My teaching is not mine, but His who sent me;

¹⁷  if any one may will to do His will, he shall know concerning the teaching, whether it is of God, or -- I do speak from myself.

¹⁸  'He who is speaking from himself his own glory doth seek, but he who is seeking the glory of him who sent him, this one is true, and unrighteousness is not in him;