We are to admit no more causes of natural things than such as are both true and sufficient to explain their appearances.

My powers are ordinary. Only my application brings me success.

The Ignis Fatuus is a vapor shining without heat.

The qualities of bodies, which admit neither intension nor remission of degrees, and which are found to belong to fill bodies within the reach of our experiments, are to be esteemed the universal qualities of all bodies whatsoever.

To me there has never been a higher source of earthly honor or distinction than that connected with advances in science.

All material Things seem to have been composed of the hard and solid Particles ... variously associated with the first Creation by the Counsel of an intelligent Agent. For it became him who created them to set them in order: and if he did so, it is unphilosophical to seek for any other Origin of the World, or to pretend that it might arise out of a Chaos by the mere Laws of Nature.

Centripetal force is the force by which bodies are drawn from all sides, are impelled, or in any way tend, toward some point as to a center.