John 5:31-35

“If I alone testify about Myself, My testimony is not true.

There is another who testifies about Me, and I know that the testimony which He gives about Me is true. Testimony of John the Baptist

You have sent messengers to John, and he has testified to the truth.

But the testimony I receive is not from man, but I say these things so that you may be saved.

He was the lamp that was burning and shining, and you were willing to rejoice for a while in his light. Testimony of Works