I am worn out by the insults and vexations that this work brings down on us.

Push on and faith will catch up with you.

The true system of the World has been recognized, developed and perfected...Everything has been discussed and analysed, or at least mentioned.

A philosopher is a fool who torments himself while he is alive, to be talked of after he is dead.

There are only two kinds of certain knowledge: Awareness of our own existence and the truths of mathematics.

Just go on..and faith will soon return.

Gaming is the destruction of all decorum; the prince forgets at it his dignity, and the lady her modesty.