Hemingway shows us that courage isn't the absence of fear—it's something far more refined: the ability to maintain dignity when circumstances demand everything from you. Most people think bravery means feeling bold, but he's describing a performance of sorts, a chosen composure that transforms how you meet difficulty. When a parent sits calmly beside a child's hospital bed at three in the morning, exhausted and terrified, yet speaks in measured tones and steady hands, that's the distinction he means—not the absence of trembling, but the decision to let grace show instead.