Anna Grace

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Keys to the Demon...
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by Brandon Mull (Goodreads Author)
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Jan 26, 2026 10:55AM

 
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Isaac Newton
“I do not know what I may appear to the world, but to myself I seem to have been only like a boy playing on the sea-shore, and diverting myself in now and then finding a smoother pebble or a prettier shell than ordinary, whilst the great ocean of truth lay all undiscovered before me.”
Isaac Newton

Ptolemy
“From all this we concluded that the first two divisions of theoretical philosophy should
rather be called guesswork than knowledge, theology because of its completely invisible
and ungraspable nature, physics because of the unstable and unclear nature of the matter;
hence there is no hope that philosophers will ever be agreed about them; and that only
mathematics can provide sure and unshakable knowledge to its devotees, provided one
approaches it rigorously. For its kind of proof proceeds by indisputable methods, namely
arithmetic and geometry (tr. Toomer, p. 6).”
Ptolemy, The Almagest: Introduction to the Mathematics of the Heavens

Isaac Newton
“This most beautiful system of the sun, planets and comets, could only proceed from the counsel and dominion of an intelligent and powerful Being...
This Being governs all things, not as the soul of the world, but as Lord over all; and on account of his dominion he is wont, to be called Lord God παντοκρατωρ or Universal Ruler.”
Isaac Newton, The Principia : Mathematical Principles of Natural Philosophy

Ptolemy
“I know that I am mortal by nature, and ephemeral; but when I trace at my pleasure the windings to and fro of the heavenly bodies I no longer touch the earth with my feet: I stand in the presence of Zeus himself and take my fill of ambrosia”
Ptolemy, Ptolemy's Almagest

Isaac Newton
“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.”
Isaac Newton

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