Absolute, true and mathematical time, of itself, and from its own nature flows equably without relation to anything external.

When two forces unite, their efficiency double.

I do not know what I may appear to the world, but to myself I seem to have been only a boy playing on the seashore.

If I have seen further than others, it is by standing upon the shoulders of giants.

Every particle of matter is attracted by or gravitates to every other particle of matter with a force inversely proportional to the squares of their distances.

He that in ye mine of knowledge deepest diggeth, hath, like every other miner, ye least breathing time, and must sometimes at least come to terr. alt. for air.

This most beautiful system of the sun, planets and comets, could only proceed from the counsel and dominion of an intelligent and powerful Being.