"I open each class with an explanation of the singular importance of being a "dealmaker." The manifesto of the dealmaker is simple: Reality is negotiable."

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Our present work sets forth mathematical principles of philosophy. For the basic problem of philosophy seems to be to discover the forces of nature from the phenomena of motions and then to demonstrate the other phenomena from these forces. It is to these ends that the general propositions in books 1 and 2 are directed, while in book 3 our explanation of the system of the world illustrates these propositions.

— Isaac Newton