The nature of light is a subject of no material importance to the concerns of life or to the practice of the arts, but it is in many other respects extremely interesting.

When I was a boy, I thought myself a man. Now that I am a man, I find myself a boy.

Proposition VIII. When two Undulations, from different Origins, coincide either perfectly or very nearly in Direction, their joint effect is a Combination of the Motions belonging to each.

Proposition IX. Radiant light consists in Undulations of the Luminiferous Ether.

It must be observed that fishing with any living bait is to be condemned for the same reason as fishing with a worm: in all such instances we torture two animals at once for our amusement.

Newton advanced, with one gigantic stride, from the regions of twilight into the noon day of science. A Boyle and a Hooke, who would otherwise have been deservedly the boast of their century, served but as obscure forerunners of Newton's glories.

You may evade justice but in our eyes you are each guilty of egregious war crimes, of plunder and, finally, of murder, including the murder of thousands of young Americans - my fellow veterans - whose future you stole.