To feel keenly the poetry of a morning's roses, one has to have just escaped from the claws of this vulture which we call sickness.

[T]he habit of scientific analysis ... exhausts the material offered to it.

Philosophy means the complete liberty of the mind, and therefore independence of all social, political or religious prejudice... It loves one thing only... truth.

At bottom, everything depends upon the presence or absence of one single element in the soul - HOPE

Every landscape is, as it were, a state of the soul, and whoever penetrates into both is astonished to find how much likeness there is in each detail.

Men don't achieve truth because they lack humility and love of truth. They won't criticize their own beliefs. Truth would overwhelm them.

To know how to suggest is the art of teaching.