He who ceases to learn cannot adequately teach.

An excess of childhood is the germ of a poem.

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.

The characteristic of scientific progress is our knowing that we did not know.

At all times and in all fields the explanation by fire is a rich explanation.

In writing, you discover interior sonorities in words. Dipthongs sound differently beneath the pen. One hears them with their sounds divorced.

By listening to certain words as a child listens to the sea in a seashell, a word dreamer hears the murmur of a world of dreams.