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?
A good friend will find time on his calendar, a great friend never checks.
It may help to understand human affairs to be clear that most of the great triumphs and tragedies of history are caused, not by people being fundamentally good or fundamentally bad, but by people being fundamentally people.
It was important, Dumbledore said, to fight, and fight again, and keep fighting, for only then could evil be kept at bay, though never quite eradicated.
"This is the Battle of Demon's Run. The Doctor's darkest hour. He'll rise higher than ever before and then fall so much further. And... I can't be with him 'til the very end." A Good Man Goes to War
The evil like power, power over people, and they want to see you in fear. They want you to know you are going to die. So they'll talk. They'll gloat. They'll watch you squirm. They'll put off the murder like another man will put off a good cigar. So hope like hell your captor is an evil man. A good man will kill you with hardly a word.
We've all got both light and dark inside us. What matters is the part we choose to act on. That's who we really are.
It is absurd to divide people into good and bad. People are either charming or tedious.
People aren't born good or bad. Maybe they're born with tendencies either way, but its the way you live your life that matters.
People who claim that they're evil are usually no worse than the rest of us... It's people who claim that they're good, or any way better than the rest of us, that you have to be wary of.