What is called happiness is an abstract idea, composed of various ideas of pleasure; for he who has but a moment of pleasure is not a happy man, in like manner that a moment of grief constitutes not a miserable one.

There are some that only employ words for the purpose of disguising their thoughts.

History is fables agreed upon.

I advise you to go on living solely to enrage those who are paying your annuities. It is the only pleasure I have left.

When he to whom one speaks does not understand, and he who speaks himself does not understand, that is Metaphysics.

He who is involved in ecstasies and visions, who takes dreams for reality, and his own imagination for prophesy, is a fanatical novice of great hope and promise, and will soon advance to the higher stage and kill men for the love of God.

We know that all the arts are brothers, that each of them illuminates another, and that a universal light results.