Acts 26:27

27-29. believest thou the prophets? I know that thou believest--The courage and confidence here shown proceeded from a vivid persuasion of Agrippa's knowledge of the facts and faith in the predictions which they verified; and the king's reply is the highest testimony to the correctness of these presumptions and the immense power of such bold yet courteous appeals to conscience.

Robert Jamieson, A. R. Fausset & David Brown, 1871 · public domain

King Agrippa. This bland personal address is an instance of Paul's happy manner of appeal. He does it to bring in the testimony of Agrippa to meet the charge of Festus that he was deranged.

Believest thou the prophets? The prophecies respecting the character, the sufferings, and the death of the Messiah.

I know that thou believest. Agrippa was a Jew; and, as such, he of course believed the prophets. Perhaps, too, from what Paul knew of his personal character, he might confidently affirm that he professed to be a believer. Instead, therefore, of waiting for his answer, Paul anticipates it, and says that he knows that Agrippa professes to believe all these prophecies respecting the Messiah. His design is evident. It is

(1) to meet the charge of derangement, and to bring in the testimony of Agrippa, who well understood the subject, to the importance and the truth of what he was saying.

(2.) To press on the conscience of his royal hearer the evidence of the Christian religion, and to secure if possible his conversion. "Since thou believest the prophecies, and since I have shown that they are fulfilled in Jesus of Nazareth, that he corresponds in person, character, and work with the prophets, it follows that his religion is true." Paul lost no opportunity of pressing the truth on every class of men. He had such a conviction of the truth of Christianity, that he was deterred by no rank, station, or office; by no fear of the rich, the great and the learned; but everywhere urged the evidence of that religion as indisputable. In this lay the secret of no small part of his success. A man who really believes the truth, will be ready to defend it. A man who truly loves religion, will not be ashamed of it anywhere.

Albert Barnes, 1834 · public domain

Verse 27 Believest thou the prophets? - Having made his elegant compliment and vindication to Festus, he turns to Agrippa; and, with this strong appeal to his religious feeling, says, Believest thou the prophets? and immediately anticipates his reply, and, with great address, speaks for him, I know that thou believest. The inference from this belief necessarily was: "As thou believest the prophets, and I have proved that the prophets have spoken about Christ, as suffering and, triumphing over death, and that all they say of the Messiah has been fulfilled in Jesus of Nazareth, then thou must acknowledge that my doctrine is true."

Adam Clarke, 1831 · public domain