Isaac Newton Quotes
Is not Fire a Body heated so hot as to emit Light copiously? For what else is a red hot Iron than Fire? And what else is a burning Coal than red hot Wood?
Newton, Isaac. Opticks. Dover Publications, 1952, p. 341.
Philosophically, Rivera was a pacifist, but when in the Spanish Civil War he hfelt he had no other recourse but to protect his people from the onslaught of the German and Italian supported Fascists. Civilian populations were deliberately bombed from the air. However, when he had to give the order to fire he added this philosophical/religious wrinkle.
Sir Isaac Newton PRS was an English mathematician, physicist, astronomer, theologian, and author (described in his time as a "natural philosopher") who is widely recognised as one of the greatest mathematicians and most influential scientists of all time and as a key figure in the scientific revolution. His book Philosophiæ Naturalis Principia Mathematica (Mathematical Principles of Natural Philosophy), first published in 1687, established classical mechanics. Newton also made seminal contributions to optics, and shares credit with Gottfried Wilhelm Leibniz for developing the infinitesimal calculus.