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

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.

Suppose a number of equal waves of water to move upon the surface of a stagnant lake, with a certain constant velocity, and to enter a narrow channel leading out of the lake. Suppose then another similar cause to have excited another equal series of waves, which arrive at the same time, with the first. Neither series of waves will destroy the other, but their effects will be combined.

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

Bacon first taught the world the true method of the study of nature, and rescued science from that barbarism in which the followers of Aristotle, by a too servile imitation of their master.

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.