"Men are much oftener thrown on their knees by the melancholy than by the agreeable passions." — David Hume

The chief benefit, which results from philosophy, arises in an indirect manner, and proceeds more from its secret, insensible influence, than from its immediate application.

Avarice, the spur of industry.

It is a just political maxim, that every man must be supposed a knave.

And what is the greatest number? Number one.