“True knowledge, in this perspective, is always indirect knowledge; it is composed of reported statements, that are incorporated into metanarratives of a subject that source their legitimacy.”
Source: The Postmodern Condition: A Report on Knowledge (1977), p.35
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Jean-François Lyotard 26
French philosopher 1924–1998Related quotes

“Information is not knowledge. The only source of knowledge is experience.”
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.
Misattributed

Source: Striking Thoughts (2000), P. 9

“We must not attach knowledge to the mind, we have to incorporate it there.”
Book I, Ch. 25
Essais (1595), Book I
Language Education in a Knowledge Context (1980)
Context: Since there is no such thing as complete knowledge of a subject, one is always working to improve one's reading, writing, etc., of a subject. As Thomas Henry Huxley said, "If a little knowledge is a dangerous thing, is there anyone who knows so much as to be out of danger?" …. The problems of learning to read or write are inexhaustible.

Inauguration of Library of Birmingham, Jan 2013

Internet Encyclopedia of Philosophy
“Self-knowledge is the only basis of true knowledge.”

King v. Burdett (1820), 1 St. Tr. (N. S.) 140.