Ender Wiggin isn't a killer. He just wins—thoroughly.

“You’ve lost faith in yourself? Isn’t that rich? A god who’s become a self-athei…”

“I think you don't grow up until you stop worrying about other people's purposes…”

“You deplore what I did, but you still want to know the results of my research.”

“Computers were a kind of magery in themselves, or might as well be - to people …”