"Nothing can be divided into fewer parts than it hath."

"For it is the property of true philosophy to deduce the causes of all natural effects from the simplest possible principles."

"I do not define time, space, place, and motion, as being well known to all."

"What is it that induces a man to be a philosopher? It is not the love of truth, but the love of fame, or the love of novelty, or the love of power."

"If I am anything, which I highly doubt, it is due to hard work."