John 3:32

3:32 He testifies about what he has seen and heard, but no one accepts his testimony.

John 7:16-18

7:16 So Jesus replied, “My teaching is not from me, but from the one who sent me. 7:17 If anyone wants to do God’s will, he will know about my teaching, whether it is from God or whether I speak from my own authority. 7:18 The person who speaks on his own authority desires to receive honor for himself; the one who desires the honor of the one who sent him is a man of integrity, and there is no unrighteousness in him.

John 8:38

8:38 I am telling you the things I have seen while with the Father; as for you, practice the things you have heard from the Father!”

John 12:49

12:49 For I have not spoken from my own authority, but the Father himself who sent me has commanded me what I should say and what I should speak.