'Testifying' in the Bible

And [after] removing him, he raised up David for their king, about whom he also said, testifying, 'I have found David the [son] of Jesse [to be] a man in accordance with my heart, who will carry out all my will.'

Now when both Silas and Timothy came down from Macedonia, Paul began to be occupied with the message, solemnly testifying to the Jews [that] the Christ was Jesus.

testifying both to Jews and to Greeks with respect to repentance toward God and faith in our Lord Jesus.

Therefore I have experienced help from God until this day, [and] I stand here testifying to both small and great, saying nothing except what both the prophets and Moses have said were going to happen,

And [when they] had set a day with him, many more came to him at his lodging place, to whom he was explaining from early in the morning until evening, testifying about the kingdom of God and attempting to convince them about Jesus from both the law of Moses and the prophets.