An excess of childhood is the germ of a poem.

The reverie would not last if it were not nourished by the images of the sweetness of living, by the illusions of happiness.

Daydream transports the dreamer outside the immediate world to a world that bears the mark of infinity.

The past of the soul is so distant! The soul does not live on the edge of time. It finds its rest in the universe imagined by reverie.

Any work of science, no matter what its point of departure, cannot become fully convincing until it crosses the boundary between the theoretical and the experimental: Experimentation must give way to argument, and argument must have recourse to experimentation.

It is better to live in a state of impermanence than in one of finality.

Irony gives us, at little expense, the impression that we are experienced psychologists.