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

Some follies are caught, like contagious diseases.

What renders other people's vanity insufferable is that it wounds our own.

We often credit ourselves with vices the reverse of what we have, thus when weak we boast of our obstinacy.

The whimsicalness of our own humor is a thousand times more fickle and unaccountable than what we blame so much in fortune.

Nothing is given so profusely as advice.

The greatest fault of a penetrating wit is to go beyond the mark.