John 6:46

6:46 (Not that anyone has seen the Father except the one who is from God – he has seen the Father.)

John 1:18

1:18 No one has ever seen God. The only one, himself God, who is in closest fellowship with the Father, has made God known.

John 3:32

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