Universe quotes

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Douglas_Adams

Perception

“Everything you see or hear or experience in any way at all is specific to you. You create a universe by perceiving it, so everything in the universe you perceive is specific to you.”
  • Source: From the fictional book entitled Mostly Harmless. Written by Douglas Adams. Published by Del Rey in 1993. ISBN 978-0-345-37933-7. Chapter 9.

Isaac_Asimov

Science and Mathematics

“It is quite possible that mathematics was invented in the ancient Middle East to keep track of tax receipts and grain stores. How odd that out of this should come a subtle scientific language that can effectively describe and predict the most arcane aspects of the Universe.”
  • Source: Isaac Asimov, chapter epigraph in Isaac Asimov’s Book of Science and Nature Quotations, edited by Isaac Asimov and Jason A. Shulman, published in 1988 by Weidenfeld and Nicolson, New York. Chapter 68, page 265. ISBN 1-555-84111-2.

Jim_Baggott

The Copernican Principle

“The Copernican Principle. The universe is not organized for our benefit and we are not uniquely privileged observers. Science strives to remove ‘us’ from the centre of the picture, making our existence a natural consequence of reality rather than the reason for it. Empirical reality is therefore something that we have learned to observe with detachment, without passion. Scientists ask fundamental questions about how reality works and seek answers in the evidence from observation and experiment, irrespective of their own personal preferences, prejudices and beliefs.”
  • Source: Baggott, Jim. Farewell to Reality: How Modern Physics Has Betrayed the Search for Scientific Truth (p. 23). Pegasus Books. New York, NY

Nicolaus_Copernicus

Motion of the Earth

“Hence, I feel no shame in asserting that this whole region engirdled by the moon, and the center of the earth, traverse this grand circle amid the rest of the planets in an annual revolution around the sun. Near the sun is the center of the universe. Moreover, since the sun remains stationary, whatever appears as a motion of the sun is really due rather to the motion of the earth.”
  • Source: Book 1, Ch. 10 - De revolutionibus orbium coelestium (1543)

Max_Ehrmann

Desiderata

Go placidly amid the noise and the haste, and remember what peace there may be in silence. As far as possible, without surrender, be on good terms with all persons.
Speak your truth quietly and clearly; and listen to others, even to the dull and the ignorant; they too have their story.
Avoid loud and aggressive persons; they are vexatious to the spirit. If you compare yourself with others, you may become vain or bitter, for always there will be greater and lesser persons than yourself.
Enjoy your achievements as well as your plans. Keep interested in your own career, however humble; it is a real possession in the changing fortunes of time.
Exercise caution in your business affairs, for the world is full of trickery. But let this not blind you to what virtue there is; many persons strive for high ideals, and everywhere life is full of heroism.
Be yourself. Especially do not feign affection. Neither be cynical about love; for in the face of all aridity and disenchantment, it is as perennial as the grass.
Take kindly the counsel of the years, gracefully surrendering the things of youth.
Nurture strength of spirit to shield you in sudden misfortune. But do not distress yourself with dark imaginings. Many fears are born of fatigue and loneliness.
Beyond a wholesome discipline, be gentle with yourself. You are a child of the universe no less than the trees and the stars; you have a right to be here.
And whether or not it is clear to you, no doubt the universe is unfolding as it should. Therefore be at peace with God, whatever you conceive Him to be. And whatever your labors and aspirations, in the noisy confusion of life, keep peace in your soul. With all its sham, drudgery and broken dreams, it is still a beautiful world. Be cheerful. Strive to be happy.
  • Source: Max Ehrmann [Poem/Author]; 2022/1948/1933/1927 [Dates];
    • 2022 [Book/Version/Date]; “Desiderata” [Title]; Samantha Seebeck [Editor]; Independent [Publisher]; 979-8420409275 [ISBN];
    • 1948 [Book/Version/Date]; Bertha K. Ehrmann [Editor]; Bruce Humphries, Inc. [Publisher/Name]; Boston, MA [Publisher/Location]; First [Edition]; “Desiderata” [Book/Section/Title];
    • 1933-04-05 [Magazine/Version/Date]; “Desiderata” [Title]; Michigan Tradesman [Magazine/Name]; Cover [Magazine/Placement];
    • 1927 [Copyright/Date];
    • 1927/2023 [URL/Version]; WikiSource Desiderate 1927 Version at https://en.wikisource.org/wiki/Desiderata [URL/Link]; 2023 [URL/Retrieved/Date]

Galileo

Universe Mathematical

“The universe...stands continually open to our gaze, but it cannot be understood unless one first learns to comprehend the language and interpret the characters in which it is written. It is written in the language of mathematics...”
  • Source: Galileo Il Saggiatore (1623)

Stephen_Hawking

Indefinite Past

“In classical physics, the past is assumed to exist as a definite series of events, but according to quantum physics, the past, like the future, is indefinite and exists only as a spectrum of possibilities. Even the universe as a whole has no single past or history.”
  • Source: Hawking & Mlodinow, Scientific American, October 2010.

Imaginary Reality

“One might think this means that imaginary numbers are just a mathematical game having nothing to do with the real world. From the viewpoint of positivist philosophy, however, one cannot determine what is real. All one can do is find which mathematical models describe the universe we live in. It turns out that a mathematical model involving imaginary time predicts not only effects we have already observed but also effects we have not been able to measure yet nevertheless believe in for other reasons. So, what is real and what is imaginary? Is the distinction just in our minds?”
  • Source: Hawking, Stephen in the book “The Universe in a Nutshell”, p. 59 (2001).

God

“It is reasonable to ask who or what created the universe, but if the answer is God, then the question has merely been deflected to that of who created God.”
  • Source: Stephen Hawking in his book “The Grand Design”, published by Bantam in 2010). ISBN: 9780553907070.

Zero Energy Matter

“The point is that the new raw material doesn't really have to come from anywhere.... The universe can start off with zero energy and still create matter.”
  • Source: Stephen Hawking quoted in the book “Dialogues with Scientists and Sages: The Search for Unity” by Renée Weber. Published by Routledge & Kegan Paul in 1986, Page 51.

Fine Tuning

“The laws of science, as we know them at present, contain many fundamental numbers, like the size of the electric charge of the electron and the ratio of the masses of the proton and the electron.... The remarkable fact is that the values of these numbers seem to have been finely adjusted to make possible the development of life.”
  • Source: Stephen Hawking in his book “A Brief History of Time: From the Big Bang to Black Holes”. Published by Bantam in 1990. ISBN: 9780553346145.

Sabine_Hossenfelder

Understanding

“To me, my personal story is evidence that not only I but many of us have the desire to understand the universe — for no other reason than understanding the universe. Our thirst for knowledge is ubiquitous, in both individuals and societies. We want to understand, partly because understanding is useful, but also, I think, out of a primary need to make sense of ourselves and our place in this world.”
  • Source: Hossenfelder, Sabine. Existential Physics: A Scientist's Guide to Life's Biggest Questions (p. 223). Penguin Publishing Group. Kindle Edition.

Bernardo_Kastrup

Cosmic Mind

“He [Jung] is extrapolating the natural basis for cognitive associations in the psyche to a universal basis for the organization of all events in nature. He seems to regard the whole universe as a supraordinate cosmic mind — a ‘greater and more comprehensive consciousness’ — operating on the principle of association by similarity, just as the human psyche does.”
  • Source: From “Decoding Jung's Metaphysics: The Archetypal Semantics of an Experiential Universe”. Written by Bernardo Kastrup. Published by IFF Books, Washington DC. Kindle Edition. Page 69-70. Chapter 4.

Inner Life

“Jung’s point is that all we can ever ascertain is our own introspectively accessible phenomenal inner life, everything else being theory. However, as strictly correct as this may be, unless one is prepared to adopt solipsism — the notion that only one’s own personal experiences exist — and live accordingly, one cannot avoid metaphysical inferences of one sort or another. Even under idealism, one must metaphysically extrapolate the existence of experience beyond one’s own personal boundaries, so to account for the phenomenal inner lives of other living beings and the universe at large.”
  • Source: From “Decoding Jung's Metaphysics: The Archetypal Semantics of an Experiential Universe”. Written by Bernardo Kastrup. Published by IFF Books, Washington DC. Kindle Edition. Page 79. Chapter 5.

David_Kipping

Nature Computation

“It is important to distinguish between testing whether the universe is built upon the principles of computation but is not a simulation versus testing where the universe is indeed a simulation on someone's computer. Those are different to each other. It is quite possible that the laws of computation are somehow embedded within nature and yet everything we see around us is not a simulation.”
  • Source: David Kipping from the YouTube “Why You're Probably Not a Simulation”, posted 2020-09-04 in the channel ‘Cool Worlds’. Video offset 11:15. Online at https://youtu.be/HA5YuwvJkpQ (2025).

Rupert_Sheldrake

Multiverse

“This multiverse theory is the ultimate violation of Occam’s Razor, the philosophical principle that ‘entities must not be multiplied beyond necessity,' or in other words, that we should make as few assumptions as possible. It also has the major disadvantage of being untestable. And it does not even succeed in getting rid of God. An infinite God could be the God of an infinite number of universes.”
  • Source: Rupert Sheldrake. The book “Science Set Free: 10 Paths to New Discovery”, Introduction, page 12. Published in 2012 by Crown Publishing, New York, NY. Kindle Edition. ISBN: 978-0-7704-3671-1.

Pierre-Simon_Laplace

System of Nature

“The present state of the system of nature is evidently a consequence of what it was in the preceding moment, and if we conceive of an intelligence that at a given instant comprehends all the relations of the entities of this universe, it could state the respective position, motions, and general affects of all these entities at any time in the past or future. Physical astronomy, the branch of knowledge that does the greatest honor to the human mind, gives us an idea, albeit imperfect, of what such an intelligence would be. The simplicity of the law by which the celestial bodies move, and the relations of their masses and distances, permit analysis to follow their motions up to a certain point; and in order to determine the state of the system of these great bodies in past or future centuries, it suffices for the mathematician that their position and their velocity be given by observation for any moment in time. Man owes that advantage to the power of the instrument he employs, and to the small number of relations that it embraces in its calculations. But ignorance of the different causes involved in the production of events, as well as their complexity, taken together with the imperfection of analysis, prevents our reaching the same certainty about the vast majority of phenomena. Thus there are things that are uncertain for us, things more or less probable, and we seek to compensate for the impossibility of knowing them by determining their different degrees of likelihood. So it was that we owe to the weakness of the human mind one of the most delicate and ingenious of mathematical theories, the science of chance or probability.”
  • Source: Pierre-Simon Laplace, 'Recherches, 1º, sur l'Intégration des Équations Différentielles aux Différences Finies, et sur leur Usage dans la Théorie des Hasards' (1773, published 1776). In Oeuvres complètes de Laplace, 14 Vols. (1843-1912), Vol. 8, 144-5, trans. Charles Coulston Gillispie, Pierre-Simon Laplace 1749-1827: A Life in Exact Science (1997), 26.

Seth_Lloyd

Information and Computation

“So, just as it is real to say that the universe is made out of electrons and electromagnetic fields and photons and elementary particles, the universe is also really made out of information and the way the universe changes over time is really a computation.”'
  • Source: Spoken by Seth Lloyd during a video interview. Contained in a video entitled Seth Lloyd - What is Information?. Posted on Youtube channel Closer to Truth. Posted 2019-12-05. Video location circa 9:30. Online at https://youtu.be/u8VdPW8tCWY.

Robert_A_J_Matthews

Universe Against You

“Indeed, there is evidence that the universe is against you.”
  • Source: From the article "The Science of Murphy’s Law" written by Robert A. J. Matthews, published in 'Scientific America, volume 276 number 4, April 1997, DOI: 10.1038/scientificamerican0497-88.

Keywords: Evidence_quotes Universe_quotes Against_quotes

Karl_Popper

Scientific Knowledge

“If the picture of the world which modern science draws comes anywhere near the truth — in other words, if we have anything like ‘scientific knowledge’ — then the conditions obtaining almost everywhere in the universe make the discovery of structural laws of the kind we are seeking — and thus the attainment of ‘scientific knowledge’ — almost impossible. For almost all regions of the universe are filled by chaotic radiation, and almost all the rest by matter in a likewise chaotic state. In spite of this, science has been miraculously successful in proceeding toward what I think should be regarded as its aim. This strange fact cannot, I think, be explained without proving too much. But it can encourage us to pursue that aim, even though we may not get any further encouragement to believe that we can actually attain it; neither from metaphysical realism nor from any other source.”
  • Source: Realism and the Aim of Science: From the Postscript to The Logic of Scientific Discovery, 1983, p. 146, ISBN 0415084008

James_Randi

Science Is Best Defined

“Science is best defined as a careful, disciplined, logical search for knowledge about any and all aspects of the universe, obtained by examination of the best available evidence and always subject to correction and improvement upon discovery of better evidence. What's left is magic. And it doesn't work.”
  • Source: James Randi, The Mask of Nostradamus: The Prophecies of the World's Most Famous Seer (1993), Page 66.

Hans_Reichenbach

Picture of Scientific Method

“The picture of scientific method drafted by modern philosophy is very different from traditional conceptions. Gone is the ideal of a universe whose course follows strict rules, a predetermined cosmos that unwinds itself like an unwinding clock. Gone is the ideal of the scientist who knows the absolute truth. The happenings of nature are like rolling dice rather than like revolving stars; they are controlled by probability laws, not by causality, and the scientist resembles a gambler more than a prophet. He can tell you only his best posits — he never knows beforehand whether they will come true. He is a better gambler, though, than the man at the green table, because his statistical methods are superior. And his goal is staked higher — the goal of foretelling the rolling dice of the cosmos. If he is asked why he follows his methods, with what title he makes his predictions, he cannot answer that he has an irrefutable knowledge of the future; he can only lay his best bets. But he can prove that they are best bets, that making them is the best he can do — and if a man does his best, what else can you ask of him?”
  • Source: Hans Reichenbach, The Rise of Scientific Philosophy (1951, 1973), 248-9. Collected in James Louis Jarrett and Sterling M. McMurrin (eds.), Contemporary Philosophy: A Book of Readings (1954), 376.

Bertrand_Russell

Science Ideal

“Science, in its ultimate ideal, consists of a set of propositions arranged in a hierarchy, the lowest level of the hierarchy being concerned with particular facts, and the highest with some general law, governing everything in the universe. The various levels in the hierarchy have a two-fold logical connection, traveling one up, one down; the upward connection proceeds by induction, the downward by deduction.”
  • Source: Bertrand Russell, In The Scientific Outlook (1931, 2009), 38.

Carl_Sagan

Faith and Evidence

“What is faith? It is belief in the absence of evidence. Now, I don't propose to tell anybody what to believe, but for me believing when there is no compelling evidence is a mistake. The idea is to withhold belief until there is compelling evidence. And if the universe does not comply with our predispositions, okay, then we have the wrenching obligation to accommodate to the way the universe is. So who is more humble? The scientist who looks at the universe with an open mind and accepts whatever the universe has to teach us? Or somebody who says everything in this book must be considered the literal truth and never mind the fallibility of all the human beings involved in the writing of this book?”
  • Source: Carl Sagen speaking in an video entitled 'CARL SAGEN - A Way of Thinking' posted on YouTube at https://youtu.be/J1cNaFG1VII , at 00:03:10 in video. Retrieved 2021-02-09.

John_Archibald_Wheeler

Bringing the Past

“We are participators in bringing into being not only the near and here but the far away and long ago. We are in this sense, participators in bringing about something of the universe in the distant past...”

It From Bit

“It from bit symbolizes the idea that every item of the physical world has at bottom — at a very deep bottom, in most instances — an immaterial source and explanation; that which we call reality arises in the last analysis from the posing of yes-no questions and the registering of equipment-evoked responses; in short, that all things physical are information-theoretic in origin and that this is a participatory universe.”
  • Source: John Archibald Wheeler from a paper originally presented at the 1989 Santa Fe Institute workshop. Published in the book "Complexity, Entropy & the Physics of Information: Volume I", edited by Wojciech H. Zurek, section "Physics of information", as a paper entitled "Information, Physics, Quantum: The Search for Links". Published in 1993 by the SFI Press Archive Series. ISBN: 978-1-947864-27-6.