Hatred, in the course of time, kills the unhappy wretch who delights in nursing it in his bosom.

As for myself, I always willingly acknowledge my own self as the principal cause of every good and of every evil which may befall me; therefore, I have always found myself capable of being my own pupil, and ready to love my teacher.

The sweetest pleasures are those which are hardest to be won.

Man is free; yet we must not suppose that he is at liberty to do everything he pleases, for he becomes a slave the moment he allows his actions to be ruled by passion.

We avenge intellect when we dupe a fool, and it is a victory not to be despised for a fool is covered with steel and it is often very hard to find his vulnerable part.

The mind of a human being is formed only of comparisons made in order to examine analogies, and therefore cannot precede the existence of memory.

After all, a beautiful woman without a mind of her own leaves her lover with no resource after he had physically enjoyed her charms.