Isaac Newton

I shall not mingle conjectures with certainties.

— Isaac Newton

Errors are not in the art but in the artificers.

— Isaac Newton

The centre of the system of the world is immovable.

— Isaac Newton

Truth is the offspring of silence and meditation.

— Isaac Newton

Are not rays of light very small bodies emitted from shining substances?

— Isaac Newton

I see I have made my self a slave to Philosophy.

— Isaac Newton

I understood. I have understood. I do understand.

— Isaac Newton

No old Men (excepting Dr. Wallis) love Mathematicks.

— Isaac Newton

This most beautiful system of the sun, planets and comets, could only proceed from the counsel and dominion of an intelligent and…

— Isaac Newton

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

— Isaac Newton

As a blind man has no idea of colors, so we have no idea of the manner by which the all-wise God…

— Isaac Newton

If others would think as hard as I did, then they would get similar results.

— Isaac Newton

Absolute, true and mathematical time, of itself, and from its own nature flows equably without relation to anything external.

— Isaac Newton

Pictures, propagated by motion along the fibers of the optic nerves in the brain, are the cause of vision.

— Isaac Newton

The changing of Bodies into Light, and Light into Bodies, is very conformable to the Course of Nature, which seems delighted with…

— Isaac Newton

There are more sure marks of authenticity in the Bible than in any profane history.

— Isaac Newton

For the Rays, to speak properly, have no Colour. In them there is nothing else than a certain power and disposition to…

— Isaac Newton

Against filling the Heavens with fluid Mediums, unless they be exceeding rare, a great Objection arises from the regular and very lasting…

— Isaac Newton

Through algebra you easily arrive at equations, but always to pass therefrom to the elegant constructions and demonstrations which usually result by…

— Isaac Newton

My Design in this Book is not to explain the Properties of Light by Hypotheses, but to propose and prove them by…

— Isaac Newton

By such deductions the law of gravitation is rendered probable, that every particle attracts every other particle with a force which varies…

— Isaac Newton

God is able to create particles of matter of several sizes and figures and perhaps of different densities and forces, and thereby…

— Isaac Newton

We are not to consider the world as the body of God: he is an uniform being, void of organs, members, or…

— Isaac Newton

Because of Diamond, I have had to begin much of the work afresh. I will not, however, rid myself of her, nor…

— Isaac Newton

Do not several sorts of Rays make Vibrations of several bignesses, which according to their bigness excite Sensations of several Colours, much…

— Isaac Newton

“God without dominion, providence, and final causes, is nothing else but Fate and Nature. Blind metaphysical necessity, which is certainly the same…

— Isaac Newton

And from true lordship it follows that the true God is living, intelligent, and powerful; from the other perfections, that he is…

— Isaac Newton

This Excellent Mathematician having given us, in the Transactions of February last, an account of the cause, which induced him to think…

— Isaac Newton

Thus far I have explained the phenomena of the heavens and of our sea by the force of gravity, but I have…

— Isaac Newton

It is the perfection of God's works that they are all done with the greatest simplicity. He is the God of order…

— Isaac Newton

I see I have made myself a slave to Philosophy, but if I get free of Mr. Linus's business I will resolutely…

— Isaac Newton

As Attraction is stronger in small Magnets than in great ones in proportion to their Bulk, and Gravity is greater in the…

— Isaac Newton

No great discovery was ever made without a bold guess.

— Isaac Newton

Nature is pleased with simplicity. And nature is no dummy

— Isaac Newton

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

— Isaac Newton

Let me think... I wonder if an anvil will drop like an apple?

— Isaac Newton

The best way to understanding is a few good examples.

— Isaac Newton

I can see so far because I stood on the shoulders of giants.

— Isaac Newton

“Los hombres construimos demasiados muros y no suficientes puentes.”

— Isaac Newton

Where both are friends, it is right to prefer truth.

— Isaac Newton