François-Marie Arouet (21 November 1694 – 30 May 1778) French Enlightenment writer, historian, and philosopher.

Every new desire is the beginning of a new wish, the beginning of a new madness.
If you want to be a clever person, you have to learn how to ask cleverly, how to listen attentively, how to respond quietly, and how to stop talking when there is nothing more to say. Many stupid things are uttered by people whose only motivation is to say something original.