Acts 17:3 explaining and demonstrating that the Christ had to suffer and rise again from the dead, and saying, "This Jesus, whom I proclaim to you, is the Christ." (WEB)
Acts 18:28 for he powerfully refuted the Jews, publicly showing by the Scriptures that Jesus was the Christ. (See NAS)
Romans 3:26 with a view to demonstrating, at the present time, His righteousness, that He may be shown to be righteous Himself, and the giver of righteousness to those who believe in Jesus. (WEY)