Pictures, propagated by motion along the fibers of the optic nerves in the brain, are the cause of vision.
Isaac NewtonQu. 31. Have not the small Particles of Bodies certain Powers, Virtues or Forces, by which they act at a distance, not only upon the Rays of Light for reflecting, refracting and reflecting them, but also upon one another for producing a great part of the Phรฆnomena of Nature?
Isaac NewtonIf the ancient churches, in debating and deciding the greatest mysteries of religion, knew nothing of these two texts, I understand not why we should be so fond of them now the debate is over.
Isaac Newton