““Remember the white knight.’ Reynie let out his breath. A long, slow release. He didn’t have to think very hard to know what Mr. Benedict meant by that. Though it seemed so long ago, he well remembered their conversation about the chess problem. The white knight had made a move, changed his mind, and started over. “And do you believe this was a good move?” Mr. Benedict had asked. “No, sir.” Reynie had answered. “Why, then, do you think he made it?” And Reynie had replied, “Perhaps because he doubted himself.””
