He who ceases to learn cannot adequately teach.

Written language must be considered as a particular psychic reality. The book is permanent; it is an object in your field of vision. It speaks to you with a monotonous authority which even its author would not have. You are fairly obliged to read what is written.

The repose of sleep refreshes only the body. It rarely sets the soul at rest. The repose of the night does not belong to us. It is not the possession of our being. Sleep opens within us an inn for phantoms. In the morning we must sweep out the shadows.

We must listen to poets.

Empirical description involves enslavement to the object by decreeing passivity on the part of the subject.

The only possible proof of the existence of water, the most convincing and the most intimately true proof, is thirst.

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