Conjecture Quotes

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  • It is putting a very high price on one's conjectures to have someone roasted alive on their account.

  • Whether a law be void for its repugnancy to the Constitution, is, at all times, a question of much delicacy, which out seldom, if ever, to be decided in the affirmative, in doubtful case. ... But it is not on slight implication and vague conjecture that the legislature is to be pronounced to have transcended its powers, and its acts to be considered as void. The opposition between the Constitution and the law should be such that the judge feels a clear and strong conviction of their incompatibility with each other.

    Strong   Law   Judging  
    Fletcher v. Peck, 10 U.S. (6 Cranch) 87, 128, 1810.
  • Mathematics is about problems, and problems must be made the focus of a student's mathematical life. Painful and creatively frustrating as it may be, students and their teachers should at all times be engaged in the process - having ideas, not having ideas, discovering patterns, making conjectures, constructing examples and counterexamples, devising arguments, and critiquing each other's work.

    Teacher   Math   Ideas  
    "A Mathematician's Lament". Book by Paul Lockhart, www.huffingtonpost.com. 2009.
  • We must consider how very little history there is--I mean real, authentic history. That certain kings reigned and certain battles were fought, we can depend upon as true; but all the coloring, all the philosophy, of history is conjecture.

    Kings   Philosophy   Real  
    James Boswell, Samuel Johnson (1859). “The Life of Samuel Johnson, LL. D.: Including a Journal of a Tour to the Hebrides”, p.526
  • There is something fascinating about science. One gets such wholesale returns of conjecture out of such a trifling investment of fact.

    Math   Science   Return  
    Life on the Mississippi ch. 17 (1883)
  • The artist may be well advised to keep his work to himself till it is completed, because no one can readily help him or advise him with it... but the scientist is wiser not to withhold a single finding or a single conjecture from publicity.

    Artist   Publicity   May  
    "Bartlett's Familiar Quotations". Book by John Bartlett, 2014.
  • A felicitous but unproved conjecture may be of much more consequence for mathematics than the proof of many a respectable theorem.

    May   Mathematics   Proof  
  • Rumor is a pipe Blown by surmises, jealousies, conjectures.

    Rumor   Conjecture   Pipe  
    'Henry IV, Part 2' (1597) induction, l. 15
  • Conjecture as to things useful, is good; but conjecture as to what it would be useless to know, is very idle.

    Samuel Johnson (1798). “Dr. Johnson's Table Talk: Containing Aphorisms on Literature, Life, and Manners; with Anecdotes of Distinguished Persons, Selected and Arranged from Dr. Boswell's Life of Johnson”, p.394
  • Without the knowledge of the true number of the people, as a principle, the whole scope and use of keeping bills of birth and burials is impaired; wherefore by laborious conjectures and calculations to deduce the number of people from the births and burials, may be ingenious, but very preposterous.

    Numbers   People   Bills  
    Sir William Petty (1986). “The Economic Writings of Sir William Petty: Together with the Observations Upon the Bills of Mortality More Probably by John Graunt”, Augustus m Kelley Pubs
  • To die for an idea is to set a rather high price upon conjecture.

    Funny   Ideas   Atheism  
    "Biography/ Personal Quotes". www.imdb.com.
  • I think it actually makes more sense for a new audience than the old show did because we're focusing on one character at a time. It's all conjecture why somebody didn't watch, but one of the theories was that there was just so much information, even in the trailers and promos, of all these different people.

    Source: collider.com
  • The world, and whatever that be which we call the heavens, by the vault of which all things are enclosed, we must conceive to be a deity, to be eternal, without bounds, neither created nor subject at any time to destruction. To inquire what is beyond it is no concern of man; nor can the human mind form any conjecture concerning it.

    Men   Heaven   Mind  
    Pliny the Elder (2015). “Delphi Complete Works of Pliny the Elder (Illustrated)”, p.1, Delphi Classics
  • When we seek a textbook case for the proper operation of science, the correction of certain error offers far more promise than the establishment of probable truth. Confirmed hunches, of course, are more upbeat than discredited hypotheses. Since the worst traditions of "popular" writing falsely equate instruction with sweetness and light, our promotional literature abounds with insipid tales in the heroic mode, although tough stories of disappointment and loss give deeper insight into a methodology that the celebrated philosopher Karl Popper once labeled as "conjecture and refutation.

    Stephen Jay Gould (2010). “Bully for Brontosaurus: Reflections in Natural History”, p.437, W. W. Norton & Company
  • All doctrines relating to the creation of the world, the government of man by superior beings, and his destiny after death, are conjectures which have been given out as facts, handed down with many adornments by tradition, and accepted by posterity as "revealed religion". They are theories more or less rational which uncivilised men have devised in order to explain the facts of life, and which civilised men believe that they believe.

    Believe   Destiny   Men  
    William Winwood Reade (1874). “The Martyrdom of Man”, p.179
  • Can you define "plan" as "a loose sequence of manifestly inadequate observations and conjectures, held together by panic, indecision, and ignorance"? If so, it was a very good plan.

  • To do mathematics is to engage in an act of discovery and conjecture, intuition and inspiration; to be in a state of confusion − not because it makes no sense to you, but because you gave it sense and you still don't understand what your creation is up to.

  • OBSERVATORY, n. A place where astronomers conjecture away the guesses of their predecessors.

    Ambrose Bierce (2016). “The Devil's Dictionary: The Devil World”, p.151, 谷月社
  • But there are times when men have serious thoughts, and it is at such times, when they begin to think, that they begin to doubt the truth of the Christian religion; and well they may, for it is too fanciful and too full of conjecture, inconsistency, improbability and irrationality, to afford consolation to the thoughtful man. His reason revolts against his creed. He sees that none of its articles are proved, or can be proved.

    Thomas Paine (1854). “The Works of Thomas Paine: A Hero in the American Revolution. With an Account of His Life ...”, p.260
  • No one but yourself knows whether you are cowardly and cruel, or loyal and devout; others do not see you; they surmise you by uncertain conjectures; they perceive not so much your nature as your art.

    Art   Loyal   Conjecture  
  • We hate the very idea that our own ideas may be mistaken, so we cling dogmatically to our conjectures.

    Hate   Ideas   May  
  • To believe straight away is foolishness, to believe after having seen clearly is good sense. That is the Buddhist policy in belief; not to believe stupidly, or to rely only on people, textbooks, conjecture, reasoning, or whatever the majority believes, but rather to believe what we see clearly for ourselves to be the case. This is how it is in Buddhism.

  • Nothing is known in our profession by guess; and I do not believe, that from the first dawn of medical science to the present moment, a single correct idea has ever emanated from conjecture: it is right therefore, that those who are studying their profession should be aware that there is no short road to knowledge; and that observation on the diseased living, examination of the dead, and experiments upon living animals, are the only sources of true knowledge; and that inductions from these are the sole bases of legitimate theory.

    A Treatise on Dislocations and Fractures of the Joints
  • The entire annals of Observation probably do not elsewhere exhibit so extraordinary a verification of any theoretical conjecture adventured on by the human spirit!

    John Pringle Nichol (1848). “The planet Neptune: an exposition and history”, p.90
  • The classes of problems which are respectively known and not known to have good algorithms are of great theoretical interest. [...] I conjecture that there is no good algorithm for the traveling salesman problem. My reasons are the same as for any mathematical conjecture: (1) It is a legitimate mathematical possibility, and (2) I do not know.

  • A line partakes of the simplicity of a point more than does a surface; and a surface [partakes thereof more] than does a material object-as was evident. From this consideration of a point and a material object elevate yourself unto a likeness of True Being and of the universe; and by means of [this] quite clear symbolism [of a point] make a conjecture about what has been said.

  • Two things fill the mind with ever new and increasing admiration and awe, the oftener and more steadily we reflect on them: the starry heavens above me and the moral law within me.

    Critique of Practical Reason conclusion (1788) (translation by Lewis White Beck)
  • In the space of one hundred and seventy-six years the Mississippi has shortened itself two hundred and forty-two miles. Therefore, in the Old Silurian Period the Mississippi River was upward of one million three hundred thousand miles long, seven hundred and forty-two years from now the Mississippi will be only a mile and three-quarters long. There is something fascinating about science. One gets such wholesome returns of conjecture out of such a trifling investment of fact.

    Years   Two   Rivers  
  • From the almost total absence of fossil evidence relative to the origin of the phyla, it follows that any explanation of the mechanism in the creative evolution of the fundamental structural plans is heavily burdened with hypothesis. This should appear as an epigraph to every book on evolution. The lack of direct evidence leads to the formulation of pure conjecture as to the genesis of the phyla; we do not even have a basis to determine the extent to which these opinions are correct.

    Book   Creative   Fossils  
  • Given a conjecture, the best thing is to prove it. The second best thing is to disprove it. The third best thing is to prove that it is not possible to disprove it, since it will tell you not to waste your time trying to disprove it. That's what Gödel did for the Continuum Hypothesis.

    Science   Trying   Waste  
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