Quotes from The Principia: Mathematical Principles of Natural Philosophy

Isaac Newton ·  991 pages

Rating: (4K votes)


“This most beautiful system [The Universe] could only proceed from the dominion of an intelligent and powerful Being.”
― Isaac Newton, quote from The Principia: Mathematical Principles of Natural Philosophy


Kepler's laws, although not rigidly true, are sufficiently near to the truth to have led to the discovery of the law of attraction of the bodies of the solar system. The deviation from complete accuracy is due to the facts, that the planets are not of inappreciable mass, that, in consequence, they disturb each other's orbits about the Sun, and, by their action on the Sun itself, cause the periodic time of each to be shorter than if the Sun were a fixed body, in the subduplicate ratio of the mass of the Sun to the sum of the masses of the Sun and Planet; these errors are appreciable although very small, since the mass of the largest of the planets, Jupiter, is less than 1/1000th of the Sun's mass.”
― Isaac Newton, quote from The Principia: Mathematical Principles of Natural Philosophy


“Resistance is usually ascribed to bodies at rest, and impulse to those in motion; but motion and rest, as commonly conceived, are only relatively distinguished; nor are those bodies always truly at rest, which commonly are taken to be so.”
― Isaac Newton, quote from The Principia: Mathematical Principles of Natural Philosophy


“This most beautiful system of the sun, planets, and comets, could only proceed from the counsel and dominion of an intelligent and powerful Being. And if the fixed stars are the centers of other like systems, these, being formed by the like wise counsel, must be all subject to the dominion of One.”
― Isaac Newton, quote from The Principia: Mathematical Principles of Natural Philosophy


“the one as much as it advances that of the other. If a body impinge upon another, and by its force change the motion of the other, that body also (because of the equality of the mutual pressure) will undergo an equal change, in its own motion, towards the contrary part.”
― Isaac Newton, quote from The Principia: Mathematical Principles of Natural Philosophy



“Hypotheses non fingo (Latin for "I feign no hypotheses", "I frame no hypotheses", or "I contrive no hypotheses")”
― Isaac Newton, quote from The Principia: Mathematical Principles of Natural Philosophy


About the author

Isaac Newton
Born place: in Woolsthorpe-by-Colsterworth, England, The United Kingdom
Born date January 4, 1643
See more on GoodReads

Popular quotes

“And when you get where you’re going, you darn well better look great!”
― Dan Brown, quote from Digital Fortress


“Truly landlocked people know they are. Know the occasional Bitter Creek or Powder River that runs through Wyoming; that the large tidy Salt Lake of Utah is all they have of the sea and that they must content themselves with bank, shore, beach because they cannot claim a coast. And having none, seldom dream of flight. But the people living in the Great Lakes region are confused by their place on the country’s edge - an edge that is border but not coast. They seem to be able to live a long time believing, as coastal people do, that they are at the frontier where final exit and total escape are the only journeys left. But those five Great Lakes which the St. Lawrence feeds with memories of the sea are themselves landlocked, in spite of the wandering river that connects them to the Atlantic. Once the people of the lake region discover this, the longing to leave becomes acute, and a break from the area, therefore, is necessarily dream-bitten, but necessary nonetheless.”
― Toni Morrison, quote from Song of Solomon


“He did a very good impression of a stone column.”
― Shannon Hale, quote from Princess Academy


“We do not fear being called meticulous, inclining as we do to the view that only the exhaustive can be truly interesting.”
― Thomas Mann, quote from The Magic Mountain


“Shakespeare said that art is a mirror held up to nature. And that’s what it is. The nature is your nature, and all of these wonderful poetic images of mythology are referring to something in you. When your mind is trapped by the image out there so that you never make the reference to yourself, you have misread the image.

The inner world is the world of your requirements and your energies and your structure and your possibilities that meets the outer world. And the outer world is the field of your incarnation. That’s where you are. You’ve got to keep both going. As Novalis said, 'The seat of the soul is there where the inner and outer worlds meet.”
― Joseph Campbell, quote from The Power of Myth


Interesting books

Kitty and the Dead Man's Hand
(10.4K)
Kitty and the Dead M...
by Carrie Vaughn
The Ringed Castle
(2.8K)
The Ringed Castle
by Dorothy Dunnett
Autobiography of a Face
(21.2K)
Autobiography of a F...
by Lucy Grealy
Divine Misdemeanors
(22.1K)
Divine Misdemeanors
by Laurell K. Hamilton
Warlord
(5.5K)
Warlord
by Elizabeth Vaughan
The Game: Penetrating the Secret Society of Pickup Artists
(20.5K)
The Game: Penetratin...
by Neil Strauss

About BookQuoters

BookQuoters is a community of passionate readers who enjoy sharing the most meaningful, memorable and interesting quotes from great books. As the world communicates more and more via texts, memes and sound bytes, short but profound quotes from books have become more relevant and important. For some of us a quote becomes a mantra, a goal or a philosophy by which we live. For all of us, quotes are a great way to remember a book and to carry with us the author’s best ideas.

We thoughtfully gather quotes from our favorite books, both classic and current, and choose the ones that are most thought-provoking. Each quote represents a book that is interesting, well written and has potential to enhance the reader’s life. We also accept submissions from our visitors and will select the quotes we feel are most appealing to the BookQuoters community.

Founded in 2023, BookQuoters has quickly become a large and vibrant community of people who share an affinity for books. Books are seen by some as a throwback to a previous world; conversely, gleaning the main ideas of a book via a quote or a quick summary is typical of the Information Age but is a habit disdained by some diehard readers. We feel that we have the best of both worlds at BookQuoters; we read books cover-to-cover but offer you some of the highlights. We hope you’ll join us.