“You have to make the rules, not follow them”

“To explain all nature is too difficult a task for any one man or even for any one age”

“Sir Isaac Newton was asked how he discovered the law of gravity. He replied, "By thinking about it all the time.”

“A man may imagine things that are false, but he can only understand things that are true.”

“Tact is the knack of making a point without making an enemy.”

“What Descartes did was a good step. You have added much several ways, and especially in taking the colours of thin plates into philosophical consideration. If I have seen a little further it is by standing on the shoulders of Giants.”

“Trials are medicines which our gracious and wise Physician prescribes because we need them; and he proportions the frequency and weight of them to what the case requires. Let us trust his skill and thank him for his prescription.”