Maturity is the ability to sort the portions of truth from the accepted lies and self-deceptions that you have grown up with.

There's no reason to trade insults. We have our way of life and they have theirs. I wouldn't live as they do, but disrespect seems pointless. I'm sure there are good people among them.

Brains are no good if you don't use them.

I finished by saying that it struck me that all the ethical systems I was discussing were after the fact. That is, that people act as they are disposed to, but they like to feel afterwards that they were right and so they invent systems that approve of their dispositions.

If I had the opportunity, I would make the proposal that no man should be killed except by somebody who knows him well enough for the act to have impact. No death should be like nose blowing. Death is important enough that it should affect the person who causes it.

Population pressure is the ultimate cause of every war.

Some people get a feeling of power from being unpleasant.