"Only the very young and the very old can afford to be honest."

"Perhaps it's a good thing that I'm not very social, because I don't think I could stand the company of most living people."

"Everything serious the drill instructor says, such as 'A rifle is only a tool, it is a hard heart that kills', is completely true."

"I think the big mistake in schools is to try to teach children to be like adults."

"I've always been fascinated by the dark side of human nature. I think it's important to explore that, to understand it, even if it's uncomfortable."