The instinct of brutes and insects can be the effect of nothing else than the wisdom and skill of a powerful ever-living agent.

I have a fundamental belief in the Bible as the Word of God, written by men who were inspired. I study the Bible daily. Opposition to godliness is atheism in profession and idolatry in practice. Atheism is so senseless and odious to mankind that it never had many professors.

I have presented principles of philosophy that are not, however, philosophical but strictly mathematical-that is, those on which the study of philosophy can be based. These principles are the laws and conditions of motions and of forces, which especially relate to philosophy.

Is not Fire a Body heated so hot as to emit Light copiously? For what else is a red hot Iron than Fire? And what else is a burning Coal than red hot Wood?

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

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 opposite in direction.

Therefore, the causes assigned to natural effects of the same kind must be, so far as possible, the same.