" I believe all suffering contains at least the opportunity for good,” came his response, “but not everyone actualizes that potential. Not all of us learn and benefit from suffering; that’s where free will comes in. One prisoner in a concentration camp will react quite differently from another, because of the choice each one makes to respond to the environment. "

― Lee Strobel , The Case for Faith: A Journalist Investigates the Toughest Objections to Christianity