He who thinks half-heartedly will not believe in God; but he who really thinks has to believe in God.
The description of right lines and circles, upon which geometry is founded, belongs to mechanics. Geometry does not teach us to draw these lines, but requires them to be drawn.
God in the beginning formed matter in solid, massy, hard, impenetrable, movable particles, of such sizes and figures, and with such other properties, and in such proportion to space, as most conduced to the end for which he formed them.
If I am anything, which I highly doubt, I have made myself so by hard work.
Every particle of matter is attracted by or gravitates to every other particle of matter with a force inversely proportional to the squares of their distances.
No great discovery was ever made without a bold guess.
My powers are ordinary. Only my application brings me success.
OUR ORDINATION: Sir Isaac Newton, 1642 – 1747 About the times of the End, a body of men will be raised up who will turn their attention to the prophecies, and insist upon their literal interpretation, in the midst of much clamor and opposition.
The changing of Bodies into Light, and Light into Bodies, is very conformable to the Course of Nature, which seems delighted with Transmutations.
It is the weight, not the number of experiments, that is to be regarded.
The instinct of brutes and insects can be the effect of nothing else than the wisdom and skill of a powerful ever-living agent.
We are to admit no more causes of natural things than such as are both true and sufficient to explain their appearances.
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 light.
You have to make the rules, not follow them.
I feign no hypotheses.
God created everything by number, weight and measure.
Errors are not in the art but in the artificers.
If I have done the public any service, it is due to my patient thought.
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, subordinate to him, and subservient to his will.
Impressed force is the action exerted on a body to change its state either of resting or of moving uniformly straight forward.