Plato is my friend, Aristotle is my friend, but my greatest friend is truth.

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.

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

I have been much amused at ye singular phenomena resulting from bringing of a needle into contact with a piece of amber or resin fricated on silke clothe. Ye flame putteth me in mind of sheet lightning on a small-how very small-scale.

A cylinder of air reaching to the top of the atmosphere is of equal weight with a cylinder of water about 33 feet high.

The degree and duration of the torment of these degenerate and anti-Christian people, should be no other than would be approved of by those angels who had ever labored for their salvation, and that Lamb who had redeemed them with his most precious blood.

The Synthesis consists in assuming the Causes discovered and established as Principles, and by them explaining the Phænomena proceeding from them, and proving the Explanations.