I keep the subject of my inquiry constantly before me, and wait till the first dawning opens gradually, by little and little, into a full and clear light.

When the adversaries of Erasmus had got the Trinity into his edition, they threw by their manuscript as an old almanac out of date.

It seems probable to me that God, in the beginning, formed matter in solid, massy, hard, impenetrable, moveable particles, of such sizes and figures, and with such other properties, and in such proportions to space, as most conduced to the end for which He formed them; and that these primitive particles, being solids, are incomparably harder than any porous bodies compounded of them, even so very hard as never to wear or break in pieces; no ordinary power being able to divide what God had made one in the first creation.

No old Men (excepting Dr. Wallis) love Mathematicks.

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

I consider my greatest accomplishment to be lifelong celibacy.

Pictures, propagated by motion along the fibers of the optic nerves in the brain, are the cause of vision.