“Hundreds of years ago, natural theologians tried to impress their readers with stories of the wondrous symmetries of Nature; now we see that, ironically, it is the departures from those symmetries that makes life possible. It is upon the flaws of Nature, not the laws of Nature, that the possibility of our existence hinges. …The laws and constants of Nature are features that enforce uniformity and simplicity, while initial conditions and symmetry breakings permit complexity and diversity.”

The Artful Universe (1995)

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John D. Barrow58

British scientist 1952–2020

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“Physicists describe the two properties of physical laws—that they do not depend on when or where you use them—as symmetries of nature. By this usage physicists mean that nature treats every moment in time and every location in space identically—symmetrically—by ensuring that the same fundamental laws are in operation. Much in the same manner that they affect art and music, such symmetries are deeply satisfying; they highlight an order and coherence in the workings of nature. The elegance of rich, complex, and diverse phenomena emerging from a simple set of universal laws is at least part of what physicists mean when they invoke the term "beautiful."”

Brian Greene book The Elegant Universe

The Elegant Universe (1999) Ch. 7 The "Super" in Superstrings.

“In fine, a condition of our making freedom possible in a world ordered by the rigour of natural law is that we accept an idealistic philosophy of Nature: the laws of Nature must issue from the free actor himself, and upon a world consisting of states in his own consciousness, a world in so far of his own making.”

George Holmes Howison (1834–1916) American philosopher

Source: The Limits of Evolution, and Other Essays, Illustrating the Metaphysical Theory of Personal Ideaalism (1905), The Harmony of Determinism and Freedom, p.325

“One of the things that excited me so much about quantum chromodynamics after the work of Gross and Wilczek and Politzer was that it seemed to provide a rational explanation for what had always been mysterious to me — the fact that there were symmetries, like parity conservation, charge conjugation invariance, and strangeness conservation, that were very good symmetries of the strong and electromagnetic interactions — as far as we knew exact — and yet were not respected by the weak interactions. Why should nature have … symmetries that are symmetries of part of nature but not other parts of nature?”

Steven Weinberg (1933) American theoretical physicist

"Reminiscences of the Standard Model" - Special Colloquium by Steven Weinberg https://www.youtube.com/watch?v=mX2R8-nJhLQ, 17 October 2017, YouTube video at 1:02:17 of 1:39:24

“When most people think of nature, they want to look for perfection and for symmetry and balance, ... But if you really pay attention you are going to see that what actually makes nature tick are the imbalances, the imperfections, the asymmetries.”

Marcelo Gleiser (1959) Brazilian physicist

" Physicist Marcelo Gleiser Asks the Big Questions" https://news.dartmouth.edu/news/2011/08/physicist-marcelo-gleiser-asks-big-questions, dartmouth.edu (August 26, 2011)

“The laws of nature are constructed in such a way as to make the universe as interesting as possible.”

Freeman Dyson (1923) theoretical physicist and mathematician

Imagined Worlds (1997)

“The principle of maximum diversity says that the laws of nature, and the initial conditions at the beginning of time, are such as to make the universe as interesting as possible. As a result, life is possible but not too easy. Maximum diversity often leads to maximum stress. In the end we survive, but only by the skin of our teeth. This is the confession of faith of a scientific heretic. Perhaps I may claim as evidence for progress in religion the fact that we no longer burn heretics.”

Freeman Dyson (1923) theoretical physicist and mathematician

Progress In Religion (2000)

“In the table—and in nature—we find (leaving aside the antineutrino) fifteen fundamental fermions, with diverse strong, weak, and electromagnetic charges. …They are so closely related by symmetry transformations that they are, so to speak, no more than different faces of the same cube.”

Frank Wilczek (1951) physicist

Longing for the Harmonies: Themes and Variations from Modern Physics (1987)

“The laws of Nature are based upon the existence of a pattern,”

John D. Barrow (1952–2020) British scientist

The Artful Universe (1995)
Context: The laws of Nature are based upon the existence of a pattern, linking one state of affairs to another; and where there is pattern, there is symmetry. Yet... the symmetries that the laws enshrine are broken in... outcomes. Suppose that we balance a needle on its point and then release it. The law of gravity, which governs its subsequent motion, is perfectly democratic. It has no preference for any particular direction in the Universe: it is symmetrical in this respect. Yet, when the needle falls, it must fall in a particular direction. The directional symmetry of the underlying law is broken, therefore... By the same token, the fallen needle hides the symmetry of the law... Such 'symmetry-breaking' governs much of what we see in the Universe... It allows a Universe governed by a small number of symmetrical laws to manifest an infinite diversity of complex, asymmetrical states. This is how the Universe can be at once, simple and complicated.<!-- Ch. 2, pp. 36-37

“Where nature makes natural allies of us all, we can demonstrate that beneficial relations are possible even with those with whom we most deeply disagree-and this must someday be the basis of world peace and world law.”

John F. Kennedy (1917–1963) 35th president of the United States of America

First State of the Union Address (30 January 1961)
1961, State of the Union

“… the state of a really big system does not at all have to have the symmetry of the laws which govern it; in fact, it usually has less symmetry.”

Philip Warren Anderson (1923) American physicist

Source: More Is Different (1972), p. 395

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