The best slave is the one who thinks he is free.

The most original of authors are not so because they advance what is new, but more because they know how to say something, as if it had never been said before.

If you want to make life easy, make it hard.

The wealth that cannot be administered is a burden.

Superstition is the poetry of life. It is inherent in man's nature; and when we think it is wholly eradicated, it takes refuge in the strangest holes and corners, whence it peeps out all at once, as soon as it can do it with safety.

Sameness leaves us in peace but it is contradiction that makes us productive.

First and last, what is demanded of genius is love of truth.