That cowardice is incorrigible which the love of power cannot overcome.

We often pretend to fear what we really despise, and more often despise what we really fear.

Error, when she retraces her steps, has farther to go before she can arrive at truth than ignorance.

Brutes leave ingratitude to man.

As the rays of the sun, notwithstanding their velocity, injure not the eye, by reason of their minuteness, so the attacks of envy, notwithstanding their number, ought not to wound our virtue by reason of their insignificance.

Theories are private property, but truth is common stock.

It is an easy and vulgar thing to please the mob, and no very arduous task to astonish them.