Those who visit foreign nations, but who associate only with their own countrymen, change their climate, but not their customs 'caelum non animum mutant': they see new meridians, but the same men, and with heads as empty as their pockets.

He that openly tells, his friends all that he thinks of them, must expect that they will secretly tell his enemies much that they do not think of him.

Happiness ... leads none of us by the same route.

When all run by common consent into vice, none appear to do so.

That alliance may be said to have a double tie, where the minds are united as well as the body; and the union will have all its strength when both the links are in perfection together.

For one man who sincerely pities our misfortunes, there are a thousand who sincerely hate our success.

When you have nothing to say, say nothing.