“He's got courage," Alex said."Courage!" Raoul bellowed. "That coward almost kills him and--”
“It's too cowardly, and besides, I don't have the courage. [on why he hadn't killed himself yet]”
“Life can be very terrible," he said. "One needs much courage.""To kill oneself? yes, I suppose one does.""Also to live," said Poirot, "one needs courage.”
“The courageous have fears that cowards never know.”
“Many would be cowards if they had courage enough.”
“Alex grinned and then walked past him, murmuring, "I applaud you for your courage.""Courage?" he asked with confusion."Hmm." She headed for the door to the hall, swinging her purse gaily as she went. "Many men find it difficult to come out of the closet.”