All history teaches us that these questions that we think the pressing ones will be transmuted before they are answered, that they will be replaced by others, and that the very process of discovery will shatter the concepts that we today use to describe our puzzlement.

We know too much for one man to know too much.

The most beautiful philosophical song existing in any known tongue.

To try to be happy is to try to build a machine with no other specification than that it shall run noiselessly.

When we deny the EVIL within ourselves, we dehumanize ourselves, and we deprive ourselves not only of our own destiny but of any possibility of dealing with the EVIL of others.

Sometimes the answer to fear does not lie in trying to explain away the causes, sometimes the answer lies in courage.

A pragmatist is concerned with results, not reality.