At this very moment enormous numbers of intelligent men and women of goodwill are trying to build a better world. But problems are born faster than they can be solved.

Let men be happy, informed, skillful, well behaved, and productive.

Teachers must learn how to teach ... they need only to be taught more effective ways of teaching.

Except when physically restrained, a person is least free or dignified when he is under threat of punishment, and unfortunately most people often are.

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.

We do not choose survival as a value, it chooses us.

The one fact that I would cry form every housetop is this: the Good Life is waiting for us - here and now.