Past quotes

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General_Aphorisms

Past History

"The Past Is History. The Future Is a Mystery. Today Is a Gift. That’s Why It’s Called the Present."
  • Source: Traditional. Not clearly identified. Sometimes attributed to Eleanor Roosevelt, Barbara De Angelis, Joan Rivers, Bill Keane, Emily Dickinson, Liz Curtis Higgs, Babatunde Olatunji, Susan Barkdoll, Nicholas L. Santowassa, Abigail Van Buren, or Alice Morse Earle.

Marcus_Aurelius

Present Time

“Every man's life lies all within the present, which is but a point of time; for the past is spent, and the future is uncertain.”

Arthur_C_Clarke

Clarke's Second Law

“The only way of discovering the limits of the possible is to venture a little way past them into the impossible.”
  • Source: Arthur C. Clarke in his book ‘Profiles of the Future: An Inquiry Into the Limits of the Possible’, published 1962 by HMH Publishing, Revised edition, within chapter 2 ‘Hazards of Prophecy: The Failure of Imagination’.

Mihaly_Csikszentmihalyi

Culture Shields

“One of the major functions of every culture has been to shield its members from chaos, to reassure them of their importance and ultimate success…. An unrealistic trust in the shields, in the cultural myths, can lead to equally extreme disillusion when they fail... The shields that have worked in the past — the order that religion, patriotism, ethnic traditions, and habits instilled by social classes used to provide — are no longer effective for increasing numbers of people who feel exposed to the harsh winds of chaos.”
  • Source: Mihaly Csikszentmihalyi in the book “Flow: The Psychology of Optimal Experience“, chapter “The Shields of Culture”, page 11. Original content published by Harper Perennial Modern Classics in 1990. Kindle edition published by Harper Collins in 2008. ISBN: 978-0061876721.

Henry_Ford

Failure

“An absence of fear of the future and of veneration for the past. One who fears the future, who fears failure, limits his activities. Failure is only the opportunity more intelligently to begin again. There is no disgrace in honest failure; there is disgrace in fearing to fail. What is past is useful only as it suggests ways and means for progress.”
  • Source: Henry Ford. A book. Entitled My Life and Work. Written by Henry Ford in collaboration with Samuel Crowther. Published 1922, Garden City, NY: Doubleday. Introduction.
    • Also quoted in Samuel Crowther, "Henry Ford's Problem," The Magazine of Business, vol. 52 (1927), p. 182.

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.

Robert_Heinlein

History

“A generation which ignores history has no past — and no future.”
  • Source: Written by Robert A. Heinlein in the book “Time Enough for Love”, published in 1973 by Putnam's Sons, ISBN: 0-399-11151-4. ISBN: 9781101503072 (ebook). Page 250 (Kindle edition).

Grace_Hopper

Past and Future

“I've always been more interested in the future than in the past.”
  • Source: As quoted in The Reader's Digest, October 1994, p. 185.

Keywords: Time_quotes History_quotes Past_quotes Future_quotes

Daniel_Kahneman

Unpredictable Future

“The idea that the future is unpredictable is undermined every day by the ease with which the past is explained.”

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.

William_H_McCrea

Not Everything Predictable

“Our experience shows that not everything that is observable and measurable is predictable, no matter how complete our past observations may have been.”
  • Source: Sir William Hunter McCrea, In Presidential Address (8 Feb 1963), Quarterly Journal of the Royal Astronomical Society (Mar 1963), 4, 197.

David_E_Nye

History Not Rhetorical

“Yet it does not follow that historical arguments should be regarded as rhetorical exercises. To say that the past is not perfectly knowable does not make it infinitely malleable.”
  • Source: A book. Written by David E. Nye. Entitled 'Narratives and Spaces'. Published in 1997 by Univerity of Exeter Press, Exeter, UK. Hardback ISBN 0-85989-555-6. Paperback ISBN 0-85989-556-4. Introduction, page 7.

Michael_Polanyi

Vast Knowledge First and Second Hand

“Nobody knows more than a tiny fragment of science well enough to judge its validity and value at first hand. For the rest he has to rely on views accepted at second hand on the authority of a community of people accredited as scientists. But this accrediting depends in its turn on a complex organization. For each member of the community can judge at first hand only a small number of his fellow members, and yet eventually each is accredited by all. What happens is that each recognizes as scientists a number of others by whom he is recognized as such in return, and these relations form chains which transmit these mutual recognitions at second hand through the whole community. This is how each member becomes directly or indirectly accredited by all. The system extends into the past. Its members recognize the same set of persons as their masters and derive from this allegiance a common tradition, of which each carries on a particular strand.”
  • Source: Michael Polanyi, Personal Knowledge (1958), 163.

Willard_Van_Orman_Quine

Science as a Tool

“As an empiricist I continue to think of the conceptual scheme of science as a tool, ultimately, for predicting future experience in the light of past experience. Physical objects are conceptually imported into the situation as convenient intermediaries - not by definition in terms of experience, but simply as irreducible posits comparable, epistemologically, to the gods of Homer. For my part I do, qua lay physicist, believe in physical objects and not in Homer's gods; and I consider it a scientific error to believe otherwise. But in point of epistemological footing the physical objects and the gods differ only in degree and not in kind. Both sorts of entities enter our conception only as cultural posits. The myth of physical objects is epistemologically superior to most in that it has proved more efficacious than other myths as a device for working a manageable structure into the flux of experience.”
  • Source: From A Logical Point of View (1953), p. 44.

Frederick_Winslow_Taylor

Great Men Needed

“In the past the man has been first; in the future the system must be first. This in no sense, however, implies that great men are not needed. On the contrary, the first object of any good system must be that of developing first-class men; and under systematic management the best man rises to the top more certainly and more rapidly than ever before.”
  • Source: F.W. Taylor, 1911. Principles of Scientific Management. New York and London, Harper & brothers. p. 7: Introduction.

Shannon_Vallor

AI Holds Us

“AI holds us frozen in place, fascinated by endless permutations of a reflected past that only the magic of marketing can disguise as the future.”
  • Source: From the book “The AI Mirror” by Shannon Vallor. Published 2024 by Oxford University Press. ISBN 978-0197759066. Introduction, page 6.

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...”

Steven_Wright

Past Factory

“The Present is a Past factory.”
  • Source: Wright, Steven (2023). A book entitled "Harold". Published 2023 by Simon and Schuster, New York, NY. Page 117. ISBN 13: 978-166802271-9.
    • Weight, Steven (2024). A video clip entitled "I'm Like A Receptionist For My Mind - Steven Wright, After A Few Cups Of Coffee". Posted on [youtube.com] channel "The Late Show with Stephen Colbert". Posting date circa 2024-01. Video time 7:07.

Keywords: Present_quotes Past_quotes Factory_quotes