Michael Shermer, publisher of Skeptic magazine and author of The Science of Good and Evil, writes:

I once had the opportunity to ask Thomas Keneally, author of Schindler's List, what he thought was the difference between Oskar Schindler, rescuer of Jews and hero of his story, and Amon Goeth, the Nazi commandant of the Plaszow concentration camp. His answer was revealing. Not much, he said. Had there been no war, Mr. Schindler and Mr. Goeth might have been drinking buddies and business partners, morally obtuse, perhaps, but relatively harmless. What a difference a war makes, especially to the moral choices that lead to good and evil.

Shermer goes on to quote Russian writer Aleksandr Solzhenitsyn: "If only there were evil people somewhere insidiously committing evil deeds, and it were necessary only to separate them from the rest of us and destroy them. But the line dividing good and evil cuts through the heart of every human being. And who is willing to destroy a piece of his own heart?"