There is no such thing as an accident. What we call by that name is the effect of some cause which we do not see.
Everything you say should be true, but not everything true should be said.
True greatness consists in the use of a powerful understanding to enlighten oneself and others.
The way to be a bore is to say everything.
The punishment of criminals should be of use; when a man is hanged he is good for nothing.
The wicked can have only accomplices, the voluptuous have companions in debauchery, self-seekers have associates, the politic assemble the factions, the typical idler has connections, princes have courtiers. Only the virtuous have friends.