John 3:11

3:11 I tell you the solemn truth, we speak about what we know and testify about what we have seen, but you people do not accept our testimony.

John 5:39

5:39 You study the scriptures thoroughly because you think in them you possess eternal life, and it is these same scriptures that testify about me,

10:25 Jesus replied, “I told you and you do not believe. The deeds I do in my Father’s name testify about me.

12:17 So the crowd who had been with him when he called Lazarus out of the tomb and raised him from the dead were continuing to testify about it.

15:26 When the Advocate comes, whom I will send you from the Father – the Spirit of truth who goes out from the Father – he will testify about me,