The extent to which human aggression exemplifies innate tendencies is not clear.

We have not yet seen what man can make of man.

Those who have had anything useful to say have said it far too often, and those who have had nothing to say have been no more reticent.

I will be dead in a few months. But it hasn't given me the slightest anxiety or worry. I always knew I was going to die.

If the world is to save any part of its resources for the future, it must reduce not only consumption but the number of consumers.

In the traditional view, a person is free. He is autonomous in the sense that his behavior is uncaused. He can therefore be held responsible for what he does and justly punished if he offends. That view, together with its associated practices, must be re-examined when a scientific analysis reveals unsuspected controlling relations between behavior and environment.

A piece of music is an experience to be taken by itself.