Tyrants have not yet discovered any chains that can fetter the mind.

Flattery is often a traffic of mutual meanness, where although both parties intend deception, neither are deceived.

Professors in every branch of the sciences, prefer their own theories to truth: the reason is that their theories are private property, but truth is common stock.

A man's profundity may keep him from opening on a first interview, and his caution on a second; but I should suspect his emptiness, if he carried on his reserve to a third.

Success seems to be that which forms the distinction between confidence and conceit.

The two most precious things this side of the grave are our reputation and our life. But it is to be lamented that the most contemptible whisper may deprive us of the one, and the weakest weapon of the other.

A youth without fire is followed by an old age without experience.