America is a mistake, a giant mistake.

In the small matters trust the mind, in the large ones the heart.

America is the most grandiose experiment the world has seen, but, I am afraid, it is not going to be a success.

The goal of all life is death.

The more the fruits of knowledge become accessible to men, the more widespread is the decline of religious belief.

Sometimes a cigar is just a cigar.

What a distressing contrast there is between the radiant intelligence of the child and the feeble mentality of the average adult.

Anatomy is destiny.

We are certainly getting ahead; if I am Moses, then you are Joshua and will take possession of the promised land of psychiatry, which I shall only be able to glimpse from afar.

From error to error one discovers the entire truth.

Time spent with cats is never wasted.

Everywhere I go I find a poet has been there before me.

Men are more moral than they think and far more immoral than they can imagine.