'Testify' in the Bible
This one came for a witness, in order that he could testify about the light, so that all would believe through him.
That one was not the light, but [came] in order that he could testify about the light.
And I have seen and testify that this one is the Chosen One of God.
and because he did not {need} anyone {to testify} about man, for he himself knew what was in man.
Truly, truly I say to you, we speak what we know, and we testify [about] what we have seen, and you do not accept our testimony!
You yourselves testify about me that I said, 'I am not the Christ, but I am sent before that one.'
"But I have a testimony greater than John's, for the works which the Father has given to me that I should complete them--the very works which I am doing--[these] testify about me, that the Father has sent me.
You search the scriptures because you think that you have eternal life in them, and it is these that testify about me.
So the Pharisees said to him, "You testify concerning yourself! Your testimony is not true."
Jesus answered and said to them, "Even if I testify concerning myself, my testimony is true, because I know where I have come from and where I am going. But you do not know where I have come from or where I am going.
Jesus answered them, "I told you and you do not believe! The deeds that I do in the name of my Father, these testify about me.
So the crowd who was with him when he called Lazarus out of the tomb and raised him from the dead were continuing to testify.
"When the Advocate comes, whom I will send to you from the Father--the Spirit of truth, who proceeds from the Father--that one will testify about me.
And you also will testify, because you have been with me from the beginning.
Jesus replied to him, "If I have spoken wrongly, testify about what [is] wrong! But if [I have spoken] correctly, why do you strike me?"
Then Pilate said to him, "So then you are a king!" Jesus replied, "You say that I am a king. For this [reason] I was born, and for this reason I have come into the world: in order that I can testify to the truth. Everyone who is of the truth hears my voice."