(1 Cor 1:12), no doubt because—as Luke tells us—he was “a learned man” who “vigorously refuted his Jewish opponents in public debate, proving from the Scriptures that Jesus was the Messiah” (Acts 18:24, 28). If he had a Twitter account, its followers would have been through the roof in numbers. By contrast, although he had seen the risen Lord and shown “the marks of a true apostle, including signs, wonders and miracles” (2 Cor 12:12), the Corinthians still complained of Paul: “His letters are weighty