Idiots and lunatics see only their own wit.

In growing old, we become more foolish - and more wise.

Loyalty is in most people only a ruse used by self-interest to attract confidence.

The most sure method of subjecting yourself to be deceived is to consider yourself more cunning than others.

A certain harmony should be kept between actions and ideas if we want to fully develop the effects they can produce.

There are few things we should keenly desire if we really knew what we wanted.

Honest people will respect us for our merit: the public, for our luck.