I do not feign hypotheses.

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.

Are not all Hypotheses erroneous, in which Light is supposed to consist in Pression or Motion, propagated through a fluid Medium? For in all these Hypotheses the Phaenomena of Light have been hitherto explain'd by supposing that they arise from new Modifications of the Rays; which is an erroneous Supposition.

Errors are not in the art but in the artificers.

He who thinks half-heartedly will not believe in God; but he who really thinks has to believe in God.

Nature is very consonant and conformable with herself.

To every action there is always opposed an equal reaction.