John 8:14

8:14 Jesus answered, “Even if I testify about myself, my testimony is true, because I know where I came from and where I am going. But you people do not know where I came from or where I am going.

John 8:19

8:19 Then they began asking him, “Who is your father?” Jesus answered, “You do not know either me or my Father. If you knew me you would know my Father too.”

John 9:21

9:21 But we do not know how he is now able to see, nor do we know who caused him to see. Ask him, he is a mature adult. He will speak for himself.”

John 14:17

14:17 the Spirit of truth, whom the world cannot accept, because it does not see him or know him. But you know him, because he resides with you and will be in you.