Materialism coarsens and petrifies everything, making everything vulgar, and every truth false.

At bottom there is but one subject of study: the forms and metamorphoses of mind. All other subjects may be reduced to that; all other studies bring us back to this study.

In every loving woman there is a priestess of the past - a pious guardian of some affection, of which the object has disappeared.

Let us be true: this is the highest maxim of art and of life, the secret of eloquence and of virtue, and of all moral authority.

Will localizes us, thought universalizes us.

Philosophy means the complete liberty of the mind.

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.