In laughter we always find an unavowed intention to humiliate and consequently to correct our neighbour.

An absolute can only be given in an intuition, while all the rest has to do with analysis.

The movement of the stream is distinct from the river bed, although it must adopt its winding course.

Wherever anything lives, there is, open somewhere, a register in which time is being inscribed.

For life is tendency, and the essence of a tendency is to develop in the form of a sheaf, creating, by its very growth, divergent directions among which its impetus is divided.

It is emotion that drives the intelligence forward in spite of obstacles.

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