Propositions Quotes

100 quotes by 82 authors

True science is never speculative; it employs hypotheses as suggesting points for inquiry, but it never adopts the hypotheses as though they were demonstrated propositions. — Cleveland Abbe
Accordingly, we find Euler and D'Alembert devoting their talent and their patience to the establishment of the laws of rotation of the solid bodies. Lagrange… — James Clerk Maxwell
Science, in its ultimate ideal, consists of a set of propositions arranged in a hierarchy, the lowest level of the hierarchy being concerned with particular… — Bertrand Russell
Failure is instructive. The person who really thinks learns quite as much from his failures as from his successes. Genuine ignorance is profitable because it… — John Dewey
By this we may understand, there be two sorts of knowledge, whereof the one is nothing else but sense, or knowledge original (as I have… — Thomas Hobbes
In experimental philosophy, propositions gathered from phenomena by induction should be considered either exactly or very nearly true notwithstanding any contrary hypotheses, until yet other… — Isaac Newton
Our present work sets forth mathematical principles of philosophy. For the basic problem of philosophy seems to be to discover the forces of nature from… — Isaac Newton
A great part of its [higher arithmetic] theories derives an additional charm from the peculiarity that important propositions, with the impress of simplicity on them,… — Carl Friedrich Gauss
Theology asserts propositions that cannot be proven true; ideologues hold stoutly to a worldview despite being contradicted by what is generally accepted as reality. When… — Bill Moyers
Since it is impossible for the people spontaneously and universally, to move in concert towards their object; and it is therefore essential, that such changes… — James Madison
I am arguing that faith as such, faith as an alleged method of acquiring knowledge, is totally invalid and as a consequence, all propositions of… — George H. Smith
The principles of logic and mathematics are true universally simply because we never allow them to be anything else. And the reason for this is… — A.J. Ayer
The validity of mathematical propositions is independent of the actual world-the world of existing subject-matters-is logically prior to it, and would remain unaffected were it… — Cassius Jackson Keyser
The danger of tautological propositions is considerable in discussions of the concept of normal profits. Because supernormal profits seem to invite newcomers to an industry… — Fritz Machlup
The ends of scientific classification are best answered, when the objects are formed into groups respecting which a greater number of general propositions can be… — John Stuart Mill
While 'Buddhism' suggests another belief system, 'dharma practice' suggests a course of action. The four ennobling truths are not propositions to believe; they are challenges… — Stephen Batchelor
Whenever one or more components of a company's business model changes, new business models are created for supporting companies. The changes might involve niches served,… — Marc Ostrofsky
Notwithstanding their attacks on the basic conception of rationalism, on synthetic a priori judgments, that is, material propositions that cannot be contradicted by any experience,… — Max Horkheimer
A religion is a source of happiness and I would not deprive anyone of happiness. But it is a comfort appropriate for the weak, not… — Robert A. Heinlein
All proofs inevitably lead to propositions which have no proof! All things are known because we want to believe in them. — Frank Herbert

Who Wrote These Propositions Quotes

82 authors contributed a total of 100 Propositions Quotes, led by these top contributors: