„All our knowledge falls with the bounds of experience.“

—  Immanuel Kant, A 146, B 185
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Immanuel Kant87
1724 - 1804
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Immanuel Kant photo

„But though all our knowledge begins with experience, it by no means follows, that all arises out of experience.“

—  Immanuel Kant German philosopher 1724 - 1804
Context: That all our knowledge begins with experience there can be no doubt. For how is it possible that the faculty of cognition should be awakened into exercise otherwise than by means of objects which affect our senses, and partly of them selves produce representations, partly rouse our powers of understanding into activity, to compare, to connect, or to separate these, and so to convert the raw material of our sensuous impressions into a knowledge of objects, which is called experience? In respect of time, therefore, no knowledge of ours is antecedent to experience, but begins with it. But though all our knowledge begins with experience, it by no means follows, that all arises out of experience. For, on the contrary, it is quite possible that our empirical knowledge is a compound of that which we receive through impressions, and that which the faculty of cognition supplies from itself (sensuous impressions giving merely the occasion)... It is, therefore, a question which requires close investigation, and is not to be answered at first sight,—whether there exists a knowledge altogether independent of experience, and even of all sensuous impressions? Knowledge of this kind is called à priori, in contradistinction to empirical knowledge which has its sources à posteriori, that is, in experience. Introduction I. Of the Difference Between Pure and Empirical Knowledge

Michel De Montaigne photo

„Hath God obliged himself not to exceed the bounds of our knowledge?“

—  Michel De Montaigne (1533-1592) French-Occitan author, humanistic philosopher, statesman 1533 - 1592
Book II, Ch. 12

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Elbert Hubbard photo

„Knowledge is the distilled essence of our intuitions, corroborated by experience.“

—  Elbert Hubbard American writer, publisher, artist, and philosopher fue el escritor del jarron azul 1856 - 1915

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Max Planck photo

„Experiments are the only means of knowledge at our disposal. The rest is poetry, imagination.“

—  Max Planck German theoretical physicist 1858 - 1947
As quoted in Advances in Biochemical Psychopharmacology, Vol. 25 (1980), p. 3 <!-- alos in Molecular Quantum Mechanics (2005) by P. Atkins and R. Friedman, p. 7 -->

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John Theophilus Desaguliers photo

„All the knowledge we have of nature depends upon facts; for without observations and experiments our natural philosophy would only be a science of terms and an unintelligible jargon.“

—  John Theophilus Desaguliers French-born British natural philosopher and clergyman 1683 - 1744
Context: All the knowledge we have of nature depends upon facts; for without observations and experiments our natural philosophy would only be a science of terms and an unintelligible jargon. But then we must call in Geometry and Arithmetics, to our Assistance, unless we are willing to content ourselves with natural History and conjectural Philosophy. For, as many causes concur in the production of compound effects, we are liable to mistake the predominant cause, unless we can measure the quantity and the effect produced, compare them with, and distinguish them from, each other, to find out the adequate cause of each single effect, and what must be the result of their joint action. p. v: Preface

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Albert Einstein photo

„Information is not knowledge. The only source of knowledge is experience.“

—  Albert Einstein German-born physicist and founder of the theory of relativity 1879 - 1955
According to Barbara Wolff, of The Hebrew University's Albert Einstein Archives, this is not one of Einstein's identifiable quotations. (Source: paralegalpie.com http://www.paralegalpie.com/paralegalpie/2009/11/did-anybody-really-say-that.html.) The phrase "the only source of knowledge is experience" is found in an English-language essay from 1896: "We can only be guided by what we know, and our only source of knowledge is experience" (Arthur J. Pillsbury, "The Final Word" https://books.google.com/books?id=Mw9IAQAAMAAJ&pg=PA595&dq=%22only+source", Overland Monthly, November 1896). The thought can be seen as a paraphrase of John Locke's argument from his Essay Concerning Human Understanding: "Whence has it [the Mind] all the materials of Reason and Knowledge? To this I answer, in one Word, From Experience". (Locke, An Essay Concerning Human Understanding/Book II/Chapter I, 2.) The phrase "information is not knowledge" is also found from the nineteenth century https://books.google.com/books?id=W2oAAAAAMAAJ&pg=PA59&dq=%22information+is+not+knowledge%22.

Pierre-Simon Laplace photo

„Imaginary causes have gradually receded with the widening bounds of knowledge“

—  Pierre-Simon Laplace French mathematician and astronomer 1749 - 1827
Context: Imaginary causes have gradually receded with the widening bounds of knowledge and disappear entirely before sound philosophy, which sees in them only the expression of our ignorance of the true causes.<!--p.3

Alfred, Lord Tennyson photo

„To follow knowledge like a sinking star,
Beyond the utmost bound of human thought.“

—  Alfred, Lord Tennyson British poet laureate 1809 - 1892
Context: How dull it is to pause, to make an end, To rust unburnish'd, not to shine in use! As tho' to breath were life. Life piled on life Were all too little, and of one to me Little remains: but every hour is saved From that eternal silence, something more, A bringer of new things; and vile it were For some three suns to store and hoard myself, And this gray spirit yearning in desire To follow knowledge like a sinking star, Beyond the utmost bound of human thought. l. 22-32

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William Blake photo

„The true method of knowledge is experiment.“

—  William Blake English Romantic poet and artist 1757 - 1827
All Religions are One (1788)

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