1 Corinthians 15:30 Meaning and Explanation

Paul turns from the practice of others to his own danger. He and his fellow workers stand in peril every hour, facing threats for the sake of the gospel. If there is no resurrection, why endure such constant risk? The question answers itself.

The point is that hope in the resurrection makes costly faithfulness reasonable. No one would court death hour by hour for a message that ended at the grave. For the reader, Paul's example presses the same logic personally. The willingness of the apostles to suffer is itself a witness. They risked everything because they were sure of the life to come.