Pride does not wish to owe and vanity does not wish to pay.

As the great ones of this world are unable to bestow health of body or peace of mind, we always pay too high a price for any good they can do.

There are no accidents so unlucky from which clever people are not able to reap some advantage, and none so lucky that the foolish are not able to turn them to their own disadvantage.

Women do not know all their powers of flirtation.

Our good qualities expose us more to hatred and persecution than all the ill we do.

We are always bored by the very people by whom it is vital not to be bored.

Idleness and constancy fix the mind to what it finds easy and agreeable. This habit always confines and cramps up our knowledge; and no one has ever taken the trouble to stretch and carry his understanding as far as it could go.