" It’s a bizarre but widespread myth that only heroes have good qualities, and the only qualities heroes have are good; villains are, by definition, all bad. Bullshit.

Think about it. Think of the qualities it takes to be a successful or even competent criminal. You need courage—to climb into a stranger’s house, the floor plan of which you don’t know, fully aware that the householder is almost certainly well provided with weapons, large dogs, strong and active servants—would you want to do that?—and for what? A sackful of small, portable artworks, for which you’ll probably get ten groschen on the kreutzer. To which add a calm, deliberate mind, resourcefulness, a steady hand, a delicate touch, the ability to work quickly and methodically. And that’s just for your scum-of-the-earth, back-alley burglar. Take the truly dreadful, evil men of history, slaughters of nations in the name of some twisted idea. Of necessity you must allow them to have had Faith (which moves mountains and without which mere works are in vain) and Hope, Loyalty, and Self-Sacrifice in the Name of the Cause, and practically every other noble and glorious characteristic you can possibly think of, except for the small matter of being in the right… "

― K.J. Parker , Prosper's Demon