Isaac Newton Quotes about Nature
Sir Isaac Newton (1962). “Sir Isaac Newton's Mathematical Principles of Natural Philosophy and His System of the World: The system of the world”, p.398, Univ of California Press
"Never at Rest: A Biography of Isaac Newton". Book by Richard S. Westfall, p. 643, 1704.
Sir Isaac Newton (2014). “Newton: Philosophical Writings”, p.60, Cambridge University Press
SIR ISAAC NEWTON (1952). “MATHEMATICAL PRINCIPLES OF NATURAL PHILOSOPHY OPTICS”
Isaac Newton (2004). “Isaac Newton: Philosophical Writings”, p.138, Cambridge University Press