Isaac Newton

Physics English 1643 – 1727 158 quotes

Formulated laws of motion and universal gravitation

Quotes by Isaac Newton

The great design of the universe, and the wonderful order of the celestial bodies, could not have been produced by blind chance.

Attributed

Gravity must be caused by an agent acting constantly according to certain laws; but whether this agent be material or immaterial, I have left to the consideration of my readers.

Letter to Richard Bentley 1692

God created the world in six days, and rested on the seventh. He then created the laws of nature, and left them to operate.

Attributed

Plato is my friend, Aristotle is my friend, but truth is a greater friend.

Attributed

This most elegant system of the sun, planets, and comets, could not have arisen without the design and dominion of an intelligent and powerful Being.

Principia Mathematica, General Scholium 1713

For it became him who created all things to set them in order. And if he did so, it is unphilosophical to seek for any other origin of the world, or to pretend that it might arise out of chaos by the mere laws of nature.

Principia Mathematica, General Scholium 1713

God manages all things and knows all things that are or can be done.

Principia Mathematica, General Scholium 1713

The true way of discovery is to begin with the phenomena and thence to deduce the general principles.

Opticks 1704

I consider the heavens, and the earth, and all things in them, as the work of a most wise and powerful Being.

Attributed

Therefore, to the same natural effects we must, as far as possible, assign the same causes.

Principia Mathematica, Rule II 1687

The qualities of bodies, which admit neither intensification nor remission of degrees, and which are found to belong to all bodies within the reach of our experiments, are to be esteemed the universal qualities of all bodies whatsoever.

Principia Mathematica, Rule III 1687

In experimental philosophy we are to look upon propositions inferred by general induction from phenomena as accurately or very nearly true, notwithstanding any contrary hypotheses that may be imagined, till such time as other phenomena occur, by which they may either be made more accurate, or liable to exceptions.

Principia Mathematica, Rule IV 1687

He is eternal and infinite, omnipotent and omniscient; that is, his duration reaches from eternity to eternity; his presence from infinity to infinity; he governs all things, and knows all things that are or can be done.

Principia Mathematica, General Scholium 1713

And thus much concerning God; to discourse of whom from the appearances of things, does certainly belong to Natural Philosophy.

Principia Mathematica, General Scholium 1713

Are not gross bodies and light convertible into one another, and may not bodies receive much of their activity from the particles of light which enter into their composition?

Opticks 1704

The rays of light are very small bodies projected from the luminous body.

Opticks 1704

It seems probable to me, that God in the beginning formed matter in solid, massy, hard, impenetrable, moveable particles.

Opticks 1704

I have studied these things, and I have found them to be true.

Attributed