Discover the most popular and inspiring quotes and sayings on the topic of Suppositions. Share them with your friends on social media platforms like Facebook, Twitter, or your personal blogs, and let the world be inspired by their powerful messages. Here are the Top 100 Suppositions Quotes And Sayings by 84 Authors including Jerry Fodor,David Bohm,David Hume,William Murray, 1St Earl Of Mansfield,J. Warner Wallace for you to enjoy and share.

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The content of a thought depends on its external relations; on the way that the thought is related to the world, not on the way that it is related to other thoughts.
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From the outset, however, this whole controversy has been plagued by tacit assumptions, very often of a philosophical rather than a physical character ...
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Nothing is more usual than for philosophers to encroach upon the province of grammarians; and to engage in disputes of words, while they imagine that they are handling controversies of the deepest importance and concern.
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Rules of property ought to be generally known, and not to be left upon loose notes, which rather serve to confound principles, than to confirm them.
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When we smuggle our conclusions into our investigation by beginning with them as an initial premise, we are likely to beg the question and end up with conclusions that match our presuppositions rather than reflect the truth of the matter.
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I wish to propose for the reader's favourable consideration a doctrine which may, I fear, appear wildly paradoxical and subversive. The doctrine in question is this: that it is undesirable to believe a proposition when there is no ground whatever for supposing it true.
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The average, vague understanding of being can be permeated by traditional theories and opinions about being in such a way that these theories, as the sources of the prevailing understanding, remain hidden.
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Nevertheless, in order to produce more equality and uniformity in the defence of any doctrine, its fundamental principles must be committed to writing. May these two volumes therefore serve as the building stones which I contribute to the joint work.
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We are very much afflicted now by tedious, fruitless controversy. Very often, perhaps typically, the most important aspect of a controversy is not the area of disagreement but the hardening of agreement, the tacit granting on all sides of assumptions that ought not to be granted on any side.
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There are times I almost think I am not sure of what I absolutely know. Very often find confusion in conclusion I concluded long ago. In my head are many facts that, as a student, I have studied to procure. In my head are many facts of which I wish I was more certain I was sure.
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It is of great consequence to have previously determined the concept that one wants to elucidate through observation before questioning experience about it; for one finds in experience what one needs only if one knows in advance what to look for.
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The most vigorous expression of a resolution does not always coincide with the greatest vigour of the resolution itself. It is often flung out as a sort of prop to support a decaying conviction which, whilst strong, required no enunciation to prove it so.
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In the last analysis, then, we believe that we all know and think about and talk about the same world because we believe our PERCEPTS are possessed by us in common
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The method of exposition which philosophers have adopted leads many to suppose that they are simply inquiries, that they have no interest in the conclusions at which they arrive, and that their primary concern is to follow their premises to their logical conclusions.
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It is thus necessary to examine all things according to their essence, to infer from every species such true and well established propositions as may assist us in the solution of metaphysical problems.
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Propensities and principles must be reconciled by some means.
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Fruitful discourse in science or theology requires us to believe that within the contexts of normal discourse there are some true statements.
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Though experience be our only guide in reasoning concerning matters of fact; it must be acknowledged, that this guide is not altogether infallible, but in some cases is apt to lead us into errors.
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Inevitably our opinions cover a bigger space, a longer reach of time, a greater number of things, than we can directly observe. They have, therefore, to be pieced together out of what others have reported and what we can imagine.
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The kinds of claims I make about knowledge are thus meant to be illustrative of a general argumentative strategy which might well bear fruit in areas of philosophy which I have not thus far explored.
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Inferences of Science and Common Sense differ from those of deductive logic and mathematics in a very important respect, namely, when the premises are true and the reasoning correct, the conclusion is only probable.
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It is almost possible to sum up the whole process of thinking as the occurrence of suggestions for the solution of difficulties and the testing out of those suggestions. The suggestions or suppositions are tested by observation,memory, experiment.
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The public, with its mob yearning to be instructed, edified and pulled by the nose, demands certainties; it must be told definitely and a bit raucously that this is true and that is false. But there are no certainties.
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Life is one long struggle between conclusions based on abstract ways of conceiving cases, and opposite conclusions prompted by our instinctive perception of them.
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Whenever the strength of a belief strongly steps into the foreground, we must infer a certain weakness of demonstrability and the improbability of that belief.
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If it's Truth we're after, we'll find that we cannot start with any assumptions or concepts whatsoever. Instead, we must approach the world with bare, naked attention, seeing it without any mental bias - without concepts, beliefs, preconceptions, presumptions, or expectations. (6)
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Truths are known to us in two ways: some are known directly, and of themselves; some through the medium of other truths. The former are the subject of Intuition, or Consciousness; 4 the latter, of Inference.
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If the reader says the state of affairs which I wish to bring about is right, or is just, or is inevitable and if this must lead into further deterioration, then I will have no quarrel with it. I might even, in some circumstances, feel obliged to support him.
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Postulates are based on assumption and adhered to by faith. Nothing in the Universe can shake them.
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The first opinion that occurs to us when we are suddenly asked about something is usually not our own but only the current one pertaining to our class, position, or parentage; our own opinions seldom swim on the surface.
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The mind leans on [innate] principles every moment, but it does not come so easily to distinguish them and to represent them distinctly and separately, because that demands great attention to its acts, and the majority of people, little accustomed to think, has little of it.
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One must treat theory-in-use as both a psychological certainty and an intellectual hypothesis.
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We first observe facts, then generalise, and then draw conclusions or principles.
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The herd of mankind can hardly be said to think; their notions are almost all adoptive; and, in general, I believe it is better that it should be so; as such common prejudices contribute more to order and quiet, than their own separate reasonings would do, uncultivated and unimproved as they are.
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There is one thing a professor can be absolutely certain of: almost every student entering the university believes, or says he believes, that truth is relative.
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These maxims and the art of interpreting them may be said to constitute the premisses of science but I prefer to call them our scientific beliefs. These premisses or beliefs are embodied in a tradition, the tradition of science.
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Assumptions are made and most assumptions are wrong.
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What I believe to be true I must therefore preserve. What seems to me so obvious, even against me, I must support.
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Speculative truth begins to appear but a shadow of individual minds, agreement between intellects seems unattainable, and we turn to the truth of feeling as the only universal bond of union.
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Theory is worth but little, unless it can explain its own phenomena, and it must effect this without contradicting itself; therefore, the facts are sometimes assimilated to the theory, rather than the theory to the facts.
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Our assumptions are the edges of our worlds.
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Our attitudes, opinions, beliefs and judgments are, simply put, our attitudes, opinions, beliefs and judgments. They are not universal truths.
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Every fact is related on one side to sensation, and, on the other, to morals. The game of thought is, on the appearance of one of these two sides, to find the other: given the upper, to find the under side.
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I have resolved to demonstrate by a certain and undoubted course of argument, or to deduce from the very condition of human nature, not what is new and unheard of, but only such things as
agree best with practice.
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I was occupied by a range of questions, often different from those fashionable in the professional philosophy of the past half century, that have sometimes troubled philosophers in the past. It's taken me several decades to work out my own philosophical agenda, and it is wide.
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Assumptions are the termites of relationships.
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When truth and reason cannot be heard, then must presumption rule.
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We should always be working towards the reinforcement of our postulates and not our actions, and much less our assumptions about reality or even ourselves. And this, simply because what we create reflects back at us and changes us.
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Pointed axioms and acute replies fly loose about the world, and are assigned successively to those whom it may be the fashion to celebrate.
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The finding of arguments for a conclusion given in advance is not philosophy, but special pleading
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Assumptions are the things we don't know we're making.
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It is certain that the only hope of retroductive reasoning ever reaching the truth is that there may be some natural tendency toward an agreement between the ideas which suggest themselves to the human mind and those which are concerned in the laws of nature.
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In no affairs of mere prejudice, pro or con, do we deduce inferences with entire certainty, even from the most simple data.
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In my opinion, one should think one knows what one knows, but one should not think others know what one knows; similarly, in my opinion, one should think one should know what one knows, but one should not think others should know what one knows.
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One man's modus ponens is another man's reductio, as epistemologists are forever pointing out (In Critical Condition, p. 70)
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Before anything can be reasoned upon to a conclusion, certain facts, principles, or data, to reason from, must be established, admitted, or denied.
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Logic was, formerly, the art of drawing inferences; it has now become the art of abstaining from inferences, since it has appeared that the inferences we feel naturally inclined to make are hardly ever valid.
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General principles are not the less true or important because from their nature they elude immediate observation; they are like the air, which is not the less necessary because we neither see nor feel it.
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For hundreds of pages the closely-reasoned arguments unroll, axioms and theorems interlock. And what remains with us in the end? A general sense that the world can be expressed in closely-reasoned arguments, in interlocking axioms and theorems.
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Consider the concepts referred to in the words 'where', 'when', 'why', 'being', to the elucidation of which innumerable volumes of philosophy have been devoted. We fare no better in our speculations than a fish which should strive to become clear as to what is water.
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When the intensity of emotional conviction subsides, a man who is in the habit of reasoning will search for logical grounds in favour of the belief which he finds in himself.
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Our beliefs are not just estimates of probabilities. They are also the instruments that guide our actions.
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Judgments based on preconceptions make life simple for us to deal with since that means we safely shield ourselves behind barriers of preconception that helped us feel safe in whatever views or assumptions we are having.
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Our conjectures pass upon us for truths; we will know what we do not know, and often, what we cannot know: so mortifying to our pride is the base suspicion of ignorance.
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Certainty is an enemy of truth: examination and reexamination are allies of truth.
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Our hypotheses are initially rooted in theoretical consistency and elegance, but ... ultimatel y it is experiment not rigid belief that determines what is correct.
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Hypotheses should be subservient only in explaining the properties of things but not assumed in determining them, unless so far as they may furnish experiments.
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I do not rest on the broad upland of a system that includes a series of sure statements about the absolutes, but on a narrow, rocky ridge between the gulfs where there is no sureness of expressible knowledge but [only] the certainty of meeting what remains, undisclosed.
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In a market, preceptions could be as important as reality.
p.403
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There is a social injunction implied in the positivist and analyst methods. This social axiom is that :;:;:;:;:;:; We OUGHT to act in such a way that what IS true can be verified to be so.
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Universal opinions are often mistaken for universal principles
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I hold that the propositions embodied in natural science are not derived by any definite rule from the data of experience, and that they can neither be verified nor falsified by experience according to any definite rule.
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Every hypothesis is a construction, and because of this it is an authentic theory. In so far as they merit that exigent name, ideas are never a mere reception of presumed realities, but they are constructions of possibilities; therefore they are pure bits of imagination, or fine ideas of our own ...
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It is important to realise that two conflicting statements can both be equally true depending on the level from which you observe the same situation.
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We are all the subjects of impressions, and some of use seek to convey the impressions to others. In the art of communicating impressions lies the power of generalizing without losing that logical connection of parts to the whole which satisfies the mind.
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You cannot reach a correct conclusion if you begin with an incorrect assumption
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Analogy and probability are not bedrock; they are lifeboats in an ocean of doubt, and sometimes they founder. So rhetoric tends to the passionate:we argue, not with surety, but as the shipwrecked clinging to the only thing they have.
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Do you suppose I would learn you the way a scholar learns a book? That you are nothing to me but a collection of suppositions, to be stored in my memory and written down for verification? No, Margaret. I know you.
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So in accepting the leading of the sentiments, it is not what we believe concerning the immortality of the soul, or the like, but the universal impulse to believe, that is the material circumstance, and is the principal fact in this history of the globe.
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There are facts. There are suppositions. There are beliefs. Learn to keep them separate, Sergeant. All men die. Fact. Death may not be the end. Supposition. There's pie in the sky when you die. Belief.
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If all our objectively valid synthetic judgments are analysed, it turns out that they never consist in mere intuitions that are brought together in a judgment through mere comparison.Always, a pure concept of the understanding has been added to the concepts that are abstracted from intuition
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I did not get my picture of the world by satisfying myself of its correctness; nor do I have it because I am satisfied of its correctness. No: it is the inherited background against which I distinguish between true and false.
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True opinions can prevail only if the facts to which they refer are known; if they are not known, false ideas are just as effective as true ones, if not a little more effective.
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It isn't very logical to live my life on goundless supposition. I have to assume the truth of the moment is the truth of the future. - Leah
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Ideas come in pairs and they contradict one another; their opposition is the principal engine of reflection.
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Less depends upon the choice of words than upon this, that their introduction shall be justified by pregnant theorems.
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I am myself an empiric in natural philosophy, suffering my faith to go no further than my facts. I am pleased, however, to see the efforts of hypothetical speculation, because by the collisions of different hypotheses, truth may be elicited and science advanced in the end.
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Our investigation is a grammatical one. Such an investigation sheds light on our problem by clearing misunderstandings away. Misunderstandings concerning the use of words, caused, among other things, by certain analogies between the forms of expression in different regions of language.
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Even if the received opinion be not only true, but the whole truth; unless it is suffered to be, and actually is, vigorously and earnestly contested, it will, by most of those who receive it, be held in the manner of a prejudice, with little comprehension or feeling of its rational grounds
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It has sometimes been said that we find nowhere in nature an analogue of the difference between happens and is, on the one hand, and ought, on the other hand.
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It might be plausibly maintained, that in almost every one of the leading controversies, past or present, in social philosophy, both sides were in the right in what they affirmed, though wrong in what they denied.
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For desired conclusions, we ask ourselves, "Can I believe this?", but for unpalatable conclusions we ask, "Must I believe this?
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Belief is thought at rest.
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It does take great maturity to understand that the opinion we are arguing for is merely the hypothesis we favor, necessarily imperfect, probably transitory, which only very limited minds can declare to be a certainty or a truth.
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Experience alone cannot deliver to us necessary truths; truths completely demonstrated by reason. Its conclusions are particular, not universal.
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An inference of perspective,
a glimpse of regularity,
causation of habit,
and the only recurrence:
my faith in you.
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There is the greatest difference between presuming an opinion to be true, because, with every opportunity for contesting it, it has not been refuted, and assuming its truth for the purpose of not permitting its refutation.
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Never let yourself be goaded into taking seriously problems about words and their meanings. What must be taken seriously are questions of fact, and assertions about facts: theories and hypotheses; the problems they solve; and the problems they raise.
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Many of the truths we cling to depend greatly upon our own point of view.
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Opinion is the companion of probability within the medieval epistemology.