Philosophy is the rational expression of genius.

The reason that women are so much more sociable than men is because they act more from the heart than the intellect.

Reading furnishes the mind only with materials of knowledge; it is thinking that makes what we read ours. I am the fellow citizen of every being that thinks; my country is Truth.

History teaches everything, even the future.

The attractiveness that exists to man in the very helplessness of woman is scarcely realized.

It is because of the servility of photography that I am fundamentally contemptuous of this chance invention which will never be an art but which plagiarizes nature by means of optics. (1848)

Love is the enchanted dawn of every heart.