"For the best and safest way of philosophizing seems to be, first to inquire diligently into the properties of things, and of establishing them by experiment, and then to proceed more slowly to hypothe…"

"Plato is my friend, Aristotle is my friend, but my greatest friend is truth."

"Can it be by accident that all birds beasts and men have their right side and left side alike shaped (except in their bowels) and just two eyes and no more on either side the face & just two ears on e…"

"The cause of gravity is what I do not pretend to know."

"Nature is pleased with simplicity, and affects not the pomp of superfluous causes."