In scientific thought, the concept functions all the better for being cut off from all background images. In its full exercise, the scientific concept is free from all the delays of its genetic evolution, an evolution which is consequently explained by simple psychology. The virility of knowledge increases with each conquest of the constructive abstraction.

Air is the very substance of our freedom, the substance of superhuman joy.... aerial joy is freedom.

The poetic image exists apart from causality.

In our life as a civilized person in the industrial age, we are invaded by objects; how could an object have a "force" when it no longer has individuality?

The poetic image is a sudden salience on the surface of the psyche

I am alone so I dream of the being who has cured my solitude, who would be cured by solitudes. With its life, it brought me the idealizations of life, all the idealizations which give life a double, which lead life toward it summits, which make the dreamer too live by splitting.

Childhood lasts all through life. It returns to animate broad sections of adult life... Poets will help us to find this living childhood within us, this permanent, durable immobile world.