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

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

Thus this Earth resembles a great animall or rather an inanimate vegetable, draws in aethereal breath for its dayly refreshment and vitall ferment and transpires again grosses exhalations. And, according to the condition of all other things living, ought to have its time of beginning, youth, old age and perishing.

Nature is pleased with simplicity. And nature is no dummy.

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

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

His epitaph: Who, by vigor of mind almost divine, the motions and figures of the planets, the paths of comets, and the tides of the seas first demonstrated.