Philosophy is such an impertinently litigious lady that a man had as good be engaged in lawsuits as have to do with her..

If two angels were sent down from heaven -one to conduct an empire and the other to sweep the streets -they would feel no inclination to change emplo….

I understood. I have understood. I do understand..

Doth not this Æthereal Medium in passing out of Water, Glass, Crystal, and other compact and dense Bodies into empty Spaces, grow denser and denser b….

To any action there is always an opposite and equal reaction; in other words, the actions of two bodies upon each other are always equal and always o….

I can measure the motion of bodies but I cannot measure human folly..

Tact is the art of making a point without making an enemy..

Are not gross bodies and light convertible into one another; and may not bodies receive much of their activity from the particles of light which ente….

No being exists or can exist which is not related to space in some way. God is everywhere, created minds are somewhere, and body is in the space that….

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 cl….

My principal method for defeating error and heresy is by establishing the truth. One purposes to fill a bushel with tares, but if I can fill it first….

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 wh….

Our present work sets forth mathematical principles of philosophy. For the basic problem of philosophy seems to be to discover the forces of nature f….

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 l….

The best way to understanding is a few good examples..

As a blind man has no idea of colors, so we have no idea of the manner by which the all-wise God perceives and understands all things..

Impressed force is the action exerted on a body to change its state either of resting or of moving uniformly straight forward..

Against filling the Heavens with fluid Mediums, unless they be exceeding rare, a great Objection arises from the regular and very lasting Motions of ….

We are not to consider the world as the body of God: he is an uniform being, void of organs, members, or parts; and they are his creatures, subordina….

Qu. 31. Have not the small Particles of Bodies certain Powers, Virtues or Forces, by which they act at a distance, not only upon the Rays of Light fo….

As Attraction is stronger in small Magnets than in great ones in proportion to their Bulk, and Gravity is greater in the Surfaces of small Planets th….