Quotes about uncertainty
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“In teaching there can be too much emphasis on certainty and a proper appreciation of uncertainty is to be encouraged.”

Dennis Lindley (1923–2013) British statistician

6. Bayes Rule. p. 81.
Understanding Uncertainty (2006)

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Mark Manson photo

“Uncertainty is he root of all progress and all growth. As the old adage goes, the man who believes he knows everything learns nothing. We cannot learn anything without first not knowing something.”

Mark Manson (1984) American writer and blogger

Source: The Subtle Art of Not Giving a F*ck (2016), Chapter 6, “You’re Wrong About Everything (But So Am I)” (p. 135)

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“With Heisenberg's uncertainty principle, the fundamental role of experimental errors became a basic feature of physics.”

Léon Brillouin (1889–1969) French physicist

[Léon Brillouin, Science and Information Theory, second edition, Academic Press, New York, 1962, 0-48643-918-6, 304]

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Donald A. Schön photo

“Belief in the stable state serves primarily to protect us from apprehension of the threats inherent in change. Belief in stability is a means of maintaining stability, or at any rate the illusion of stability. But the most threatening situations are those that confront us with uncertainty, and by ‘uncertainty’, I don’t mean risk, which is a probability ratio which we all know how to handle, particularly those who are managers of industry. We can deal with risk.”

Donald A. Schön (1930–1997) American academic

Donald Schon " REITH LECTURES 1970: Change and Industrial Society: Lecture 1: The Loss of the Stable State http://downloads.bbc.co.uk/rmhttp/radio4/transcripts/1970_reith1.pdf" at the BBC, 15 November 1970 – Radio 4; cited in: Richard Duane Carter (1981) Future challenges of management education. p. 102

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David C. McClelland photo

“The entrepreneurial role appears to call for decision-making under uncertainty.”

David C. McClelland (1917–1998) American psychological theorist

Source: The Archiving Society, 1961, p. 210

Alfred P. Sloan photo

“You of course appreciate that this industry of ours the automotive industry is today the greatest in the world. Three or four years ago it passed, in volume, steel and steel products, the next largest industry. This means, expressed otherwise, that upon its prosperity depends the prosperity of many millions of our citizens and the degree to which it has become stabilized in turn has a tremendous influence on the stabilization of industry as a whole, and therefore on the prosperity and happiness of still many more of our citizens. Directly and indirectly, this industry distributes hundreds of millions of dollars annually to those who are connected with it, in one way or another, as workers. It also distributes hundreds of millions of dollars in the aggregate to those who have invested in its securities. The purchasing power of this total aggregation, as you must appreciate, is tremendous.
I believe that if you questioned many of your readers as to the present position of the automotive industry, they would tell you that it is growing by leaps and bounds. I believe further you would sense uncertainty as to what is going to happen in the industry when the so-called state of saturation is reached. I do not know whether you appreciate it or not, but the industry has not grown very much during the past three or four years. It is practically stabilized at the present time.”

Alfred P. Sloan (1875–1966) American businessman

Source: Alfred P. Sloan in The Turning Wheel, 1934, p. 331-2: Speech by President Alfred P. Sloan, Jr., delivered to representatives of the automotive press at the Proving Ground on September 28, 1927.

Theodore Dreiser photo

“Parents are frequently inclined, because of a time-flattered sense of security, to take their children for granted. Nothing ever has happened, so nothing ever will happen. They see their children every day, and through the eyes of affection; and despite their natural charm and their own strong parental love, the children are apt to become not only commonplaces, but ineffably secure against evil. […] The astonishment of most parents at the sudden accidental revelation of evil in connection with any of their children is almost invariably pathetic. […] But it is possible. Very possible. Decidedly likely. Some, through lack of experience or understanding, or both, grow hard and bitter on the instant. They feel themselves astonishingly abased in the face of notable tenderness and sacrifice. Others collapse before the grave manifestation of the insecurity and uncertainty of life—the mystic chemistry of our being. Still others, taught roughly by life, or endowed with understanding or intuition, or both, see in this the latest manifestation of that incomprehensible chemistry which we call life and personality, and, knowing that it is quite vain to hope to gainsay it, save by greater subtlety, put the best face they can upon the matter and call a truce until they can think. We all know that life is unsolvable—we who think. The remainder imagine a vain thing, and are full of sound and fury signifying nothing.”

Source: The Financier (1912), Ch. XXVI

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“In the preface to the reissue of Risk, Uncertainty and Profit, Frank Knight makes the penetrating observation that under the conditions envisaged above the velocity of circulation would become infinite and so would the price level. This is perhaps an over-dramatic way of saying that nobody would hold money, and it would become a free good to go into the category of shell and other things which once served as money. We should expect too that it would not only pass out of circulation, but it would cease to be used as a conventional numeraire in terms of which prices are expressed. Interest bearing money would emerge. Of course, the above does not happen in real life, precisely because uncertainty, contingency needs, non-synchronization of revenues and outlay, transaction frictions, etc., etc., all are with us. But the abstract special case analyzed above should warn us against the facile assumption that the average levels of the structure of interest rates are determined solely or primarily by these differential factors. At times they are primary, and at other times, such as the twenties in this country, they may not be. As a generalization I should hazard the hypothesis that they are likely to be of great importance in an economy in which there is a “quasi-zero" rate of interest. I think by this hypothesis one can explain many of the anomalies of the United States money market in the thirties.”

Source: 1940s, Foundations of Economic Analysis, 1947, Ch. 5 : Theory of Consumer’s Behavior

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Madhuri Dixit photo

“Good films flop, atrocious films do well. Uncertainty is the only certainty in this business.”

Madhuri Dixit (1967) Indian actress

Quote, When personality comes first.....

Sören Kierkegaard photo

“Organizational design often focuses on structural alternatives such as matrix, decentralization, and divisionalization. However, control variables (e. g., reward structures, task characteristics, and information systems) offer a more flexible approach. The purpose of this paper is to explore these control variables for organizational design. This is accomplished by integration and testing of two perspectives, organization theory and economics, notably agency theory. The resulting hypotheses link task characteristics, information systems, and business uncertainty to behavior vs. outcome based control strategy. These hypothesized linkages are examined empirically in a field study of the compensation practices for retail salespeople in 54 stores. The findings are that task programmability is strongly related to the choice of compensation package. The amount of behavioral measurement, the cost of measuring outcomes, and the uncertainty of the business also affect compensation. The findings have management implications for the design of compensation and reward packages, performance evaluation systems, and control systems, in general. Such systems should explicitly consider the task, the information system in place to measure performance, and the riskiness of the business. More programmed tasks require behavior based controls while less programmed tasks require more elaborate information systems or outcome based controls.”

Kathleen M. Eisenhardt American economist

Source: "Control: Organizational and economic approaches," 1985, p. 134; Article abstract

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“Since the 1980's, we have been concerned about acceptable risk, but I believe that we have now entered the era of acceptable uncertainty.”

Daniel Alan Vallero (1953) American scientist

Quoted during statement at "The Society for Risk Analysis Policy Forum: Risk Governance for Key Enabling Technologies". Venice, Italy. March 2, 2017.

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Robert E. Howard photo

“Conan sensed their uncertainty and grinned mirthlessly and ferociously. "Who dies first?"”

Robert E. Howard (1906–1936) American author

"The Phoenix on the Sword" (1932)

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“Decisions and plans made by others… [can be judged to be] quantitatively at least as important as the primary uncertainty arising from random acts of nature and unpredictable changes in consumers' preferences.”

Tjalling Koopmans (1910–1985) Dutch American economist

Source: Three Essays (1957), p. 163; as cited in: Richard Langlois (1989) Economics as a Process. p. 181

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Jorge Luis Borges photo

“I have known that thing the Greeks knew not – uncertainty.”

Jorge Luis Borges (1899–1986) Argentine short-story writer, essayist, poet and translator, and a key figure in Spanish language literature

"The Lottery in Babylon"; tr. Andrew Hurley, Collected Fictions (1998)
The Garden of Forking Paths (1942)
Variant: I have known uncertainty: a state unknown to the Greeks.

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Eric Hoffer photo

“The uncompromising attitude is more indicative of an inner uncertainty than of deep conviction. The implacable stand is directed more against the doubt within than the assailant without.”

Eric Hoffer (1898–1983) American philosopher

Section 13
The Passionate State Of Mind, and Other Aphorisms (1955)

Marco Rubio photo

“More government isn't going to help you get ahead. It's going to hold you back. More government isn't going to create more opportunities. It's going to limit them. And more government isn't going to inspire new ideas, new businesses and new private sector jobs. It's going to create uncertainty.”

Marco Rubio (1971) U.S. Senator from state of Florida, United States; politician

Response to State of the Union speech http://www.cbsnews.com/8301-250_162-57569091/full-text-rubios-republican-response/,
2010s, 2013

Mahela Jayawardene photo

“There is so much uncertainty in cricket. One day you can get a hundred, the next day you can be dismissed for a zero. It makes you become practical about things. Teaches you to accept both success and failure. I think I have learnt a lot about life from cricket.”

Mahela Jayawardene (1977) Former Sri Lankan cricketer

Quoted in S. Dinakar, " I have learnt a lot about life from cricket http://www.hinduonnet.com/tss/tss2438/24380360.htm," Sport Star, vol. 24, no. 38 (2001-09-22).
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“Sometimes I feel the fear of uncertainty stinging clear.”

Brandon Boyd (1976) American rock singer, writer and visual artist

Lyrics, Make Yourself (1999)

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“Most merciful and gracious God, who hast preserved me unto this hour, I most humbly acknowledge Thee as the guide and companion of my youth. Thou hast protected me through the dangers of infancy and childhood, and in my youth Thou didst bless me with the full enjoyment, the happy intimacy, of the best of fathers. Be as gracious and merciful then as Thou hast hitherto been, now that I am about to enter a new stage of existence. Teach me, I beseech Thee, to strengthen in my soul the cultivation of Thy truth, the recollection of the uncertainty of life, the greatness of the objects for which I was created. Revive those delightful religious impressions which in early days I felt more strongly than now; and as Thou hast been pleased lately to permit me to look to a way of life to which formerly I dared not to do, let the leisure I shall enjoy enlarge my warmth of heart towards Thee. Make every branch of study which I may pursue strengthen my confidence in Thy ever-ruling providence, that, undeceived by views of false philosophy, I may ever in singleness of heart elevate my mind from Thy works unto Thy divine essence. Keep from me a vain and overbearing spirit; let me- ever have a thorough sense of my own ignorance and weakness; and keep me through all the trials and troubles of a transitory state in body and soul unto everlasting life, for Jesus Christ's sake. Amen.”

James David Forbes (1809–1868) Scottish physicist and glaciologist

"Completing my Twenty-first Year" (1839), a prayer written by Forbes on April 20th, 1830. Life and letters of James David Forbes p. 450.

John F. Kennedy photo

“These burdens and frustrations are accepted by most Americans with maturity and understanding. They may long for the days when war meant charging up San Juan Hill-or when our isolation was guarded by two oceans — or when the atomic bomb was ours alone — or when much of the industrialized world depended upon our resources and our aid. But they now know that those days are gone — and that gone with them are the old policies and the old complacency's. And they know, too, that we must make the best of our new problems and our new opportunities, whatever the risk and the cost.
But there are others who cannot bear the burden of a long twilight struggle. They lack confidence in our long-run capacity to survive and succeed. Hating communism, yet they see communism in the long run, perhaps, as the wave of the future. And they want some quick and easy and final and cheap solution — now.
There are two groups of these frustrated citizens, far apart in their views yet very much alike in their approach. On the one hand are those who urge upon us what I regard to be the pathway of surrender-appeasing our enemies, compromising our commitments, purchasing peace at any price, disavowing our arms, our friends, our obligations. If their view had prevailed, the world of free choice would be smaller today.
On the other hand are those who urge upon us what I regard to be the pathway of war: equating negotiations with appeasement and substituting rigidity for firmness. If their view had prevailed, we would be at war today, and in more than one place.
It is a curious fact that each of these extreme opposites resembles the other. Each believes that we have only two choices: appeasement or war, suicide or surrender, humiliation or holocaust, to be either Red or dead. Each side sees only "hard" and "soft" nations, hard and soft policies, hard and soft men. Each believes that any departure from its own course inevitably leads to the other: one group believes that any peaceful solution means appeasement; the other believes that any arms build-up means war. One group regards everyone else as warmongers, the other regards everyone else as appeasers. Neither side admits that its path will lead to disaster — but neither can tell us how or where to draw the line once we descend the slippery slopes of appeasement or constant intervention.
In short, while both extremes profess to be the true realists of our time, neither could be more unrealistic. While both claim to be doing the nation a service, they could do it no greater disservice. This kind of talk and easy solutions to difficult problems, if believed, could inspire a lack of confidence among our people when they must all — above all else — be united in recognizing the long and difficult days that lie ahead. It could inspire uncertainty among our allies when above all else they must be confident in us. And even more dangerously, it could, if believed, inspire doubt among our adversaries when they must above all be convinced that we will defend our vital interests.
The essential fact that both of these groups fail to grasp is that diplomacy and defense are not substitutes for one another. Either alone would fail. A willingness to resist force, unaccompanied by a willingness to talk, could provoke belligerence — while a willingness to talk, unaccompanied by a willingness to resist force, could invite disaster.”

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

1961, Address at the University of Washington

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“Just as vision is inseparable from our spiritual intelligence, our capacity to handle ambiguity, uncertainty, and complexity is bound up with our emotional intelligence.”

Danah Zohar (1945) American writer

Danah Zohar (1997) Using the New Science to Rethink How We Structure and Lead Organizations. p. 14.

Ursula K. Le Guin photo

“The only thing that makes life possible is permanent, intolerable uncertainty: not knowing what comes next.”

Source: Hainish Cycle, The Left Hand of Darkness (1969), Chapter 5 “The Domestication of Hunch” (p. 70)

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“Humans sometimes make surprising choices, and human history is full of uncertainties.”

Joseph Nye (1937) American political scientist

Source: Understanding International Conflicts: An Introduction to Theory and History (6th ed., 2006), Chapter 2, Origins of the Great Twentieth Century Conflicts, p. 51.

Cyril Ramaphosa photo

“The last decade has seen many of the gains of the early years of democracy reversed through state capture and corruption, a failure of collective leadership, policy uncertainty and a growing distance between the people and their movement and their government. We have had to come to terms with the erosion of the values of the ANC and confront difficult questions about the quality and integrity of our leadership as the ANC.”

Cyril Ramaphosa (1952) 5th President of South Africa

At a memorial lecture for the late struggle icon Winnie Madikizela-Mandela in Johannesburg, as quoted by Siviwe Feketha in Ramaphosa slams Zuma's tenure, calls on ANC to tackle divisions https://www.msn.com/en-za/news/politics/ramaphosa-slams-zumas-tenure-calls-on-anc-to-tackle-divisions/ar-BBNMdMN, IOL (30 September 2018)

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Brené Brown photo

“…the biggest mistake people make is not acknowledging fear and uncertainty.”

Brené Brown (1965) US writer and professor

New York Times, "Tiptoeing Out of One’s Comfort Zone (and of Course, Back In)"- Interview) http://www.nytimes.com/2011/02/12/your-money/12shortcuts.html?_r=1&scp=1&sq=Bren%C3%A9%20Brown&st=cse, February 11, 2011.

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“Startups demand comfort with chaos, uncertainty and change.”

Steve Blank (1953) American businessman

Source: The Startup Owner’s Manual (2012), p. 44.

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“Probability is the mathematics of uncertainty. …many modern theories have uncertainty built into their foundations. Thus learning to think in terms of probability is essential.”

Richard Hamming (1915–1998) American mathematician and information theorist

Methods of Mathematics Applied to Calculus, Probability, and Statistics (1985)

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“Humankind is made for uncertainty, struggle, choice and change.”

Robert Jordan (1948–2007) American writer

Amys
(15 September 1992)

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“Hire people who can deal with crisis and uncertainty”

Nigel Cumberland (1967) British author and leadership coach

Source: Your Job-Hunt Ltd – Advice from an Award-Winning Asian Headhunter (2003), Successful Recruitment in a Week (2012) https://books.google.ae/books?idp24GkAsgjGEC&printsecfrontcover&dqnigel+cumberland&hlen&saX&ved0ahUKEwjF75Xw0IHNAhULLcAKHazACBMQ6AEIGjAA#vonepage&qnigel%20cumberland&ffalse, p.119

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