'Testifying' in the Bible

So you testify against yourselves that you are the descendants of those who murdered the prophets.

Then Pilate said to Him, “Do You not hear how many things they are testifying against You?”

The high priest stood up and came forward and asked Jesus, “Have You no answer to give [in response] to what these men are testifying against You?”

I assure you and most solemnly say to you, we speak only of what we [absolutely] know and testify about what we have [actually] seen [as eyewitnesses]; and [still] you [reject our evidence and] do not accept our testimony.

Then the Pharisees told Him, “You are testifying on Your own behalf; Your testimony is not valid.”

but when Silas and Timothy came down from Macedonia (northern Greece), Paul began devoting himself completely to [preaching] the word, and solemnly testifying to the Jews that Jesus is the Christ (the Messiah, the Anointed).

But I have had help from God to this day, and I stand [before people] testifying to small and great alike, stating nothing except what the Prophets and Moses said would come to pass—

When they had set a day for Paul, they came to his lodging in large numbers. And he carefully explained [Christianity] to them from morning until evening, solemnly testifying about the kingdom of God and trying to persuade them concerning Jesus, both from the Law of Moses and from the [writings of the] Prophets.

and the Life [an aspect of His being] was manifested, and we have seen [it as eyewitnesses] and testify and declare to you [the Life], the eternal Life who was [already existing] with the Father and was [actually] made visible to us [His followers]—

And then I saw thrones, and sitting on them were those to whom judgment [that is, the authority to act as judges] was given. And I saw the souls of those who had been beheaded because of their testimony of Jesus and because of the word of God, and those who had refused to worship the beast or his image, and had not accepted his mark on their forehead and on their hand; and they came to life and reigned with Christ for a thousand years.