Laughter is the corrective force which prevents us from becoming cranks.

The emotion felt by a man in the presence of nature certainly counts for something in the origin of religions.

Intuition is a method of feeling one's way intellectually into the inner heart of a thing to locate what is unique and inexpressible in it.

An absolute can only be given in an intuition, while all the rest has to do with analysis. We call intuition here the sympathy by which one is transported into the interior of an object in order to coincide with what there is unique andconsequently inexpressible in it. Analysis, on the contrary, is the operation which reduces the object to elements already known.

In reality, the past is preserved by itself automatically.

The major task of the twentieth century will be to explore the unconscious, to investigate the subsoil of the mind.

I cannot escape the objection that there is no state of mind, however simple, that does not change every moment