By how much one man has more experience of things past, than another, by so much also he is more prudent, and his expectations the seldomer fail him.
Leisure can be one of the Mothers of Philosophy.
Science is the knowledge of consequences, and dependence of one fact upon another.
Man is distinguished not only by his reason, but also by this singular passion, from all other animals.
The best men are the least suspicious of fraudulent purposes.
As soon as a thought darts, I write it down.