Men more easily renounce their interests than their tastes.

Imagination could never invent the number of different contradictions that exist innately in each person's heart.

What men have called friendship is only a social arrangement, a mutual adjustment of interests, an interchange of services given and received; it is, in sum, simply a business from which those involved propose to derive a steady profit for their own self-love.

You are never so easily fooled as when trying to fool someone else.

The height of ability in the least able consists in knowing how to submit to the good leadership of others.

No persons are more frequently wrong, than those who will not admit they are wrong.

Virtues lose themselves in self-interest, as rivers in the sea.