The more complex the world situation becomes, the more scientific and rational analysis you have to have, the less you can do with simple good will and sentiment.

Our age knows nothing but reaction, and leaps from one extreme to another.

The final wisdom of life requires not the annulment of incongruity but the achievement of serenity within and above it.

I might say that the debate between atheists and Christians is rather stale to me, because the Christians say, "You must be a Christian, or you must be a religious man, in order to be good," and the atheists will say, "It's beneath the dignity of a free man to bow his knee to a god, as if he were a sinner," or something like that.

I think that when we believe that something is right, there's a serious ambivalence about it. On one hand, you say, because it's right, it must be victorious. On the other hand, you say, it's right whether it's victorious or not. And this is what I believe about a free society.

Human beings are endowed by nature with both selfish and unselfish impulses.

Democracy is finding proximate solutions to insoluble problems.