“I lay on my bed full of stale liquor and despair,” wrote journalist Malcolm Muggeridge of a particularly dismal evening during his work as a World War II spy. “Alone in the universe, in eternity, with no glimmer of light.”

In such a condition, he did the only thing he thought sensible; he tried to drown himself. Driving to the nearby Madagascar coast, he began the long swim into the ocean until he grew exhausted. Looking back, he glimpsed the distant coastal lights. For no reason clear to him at the time, he started swimming back toward the lights. Despite…