There is one kind of robber whom the law does not strike at, and who steals what is most precious to men: time.

The advance and perfecting of mathematics are closely joined to the prosperity of the nation.

We must laugh at man to avoid crying for him.

I pay attention only to what people do or say. I never pay attention to what they think.

Chess is too difficult to be a game and not serious enough to be a science or an art.

The best way to make every one poor is to insist on equality of wealth.

Women are nothing but machines for producing children.