Curiosity draws a man from consideration of the effect, to seek the cause.
The end of knowledge is power ... the scope of all speculation is the performing of some action or thing to be done.
The praise of ancient authors proceeds not from the reverence of the dead, but from the competition and mutual envy of the living.
Life in the state of nature is solitary, poor, nasty, brutish, and short.
The best men are the least suspicious of fraudulent purposes.
How could a state be governed, or protected in its foreign relations if every individual remained free to obey or not to obey the law according to his private opinion.