What we call knowledge is often our positive ignorance; ignorance our negative knowledge.
 Henry David Thoreau, Walking (1851). copy citation

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Author Henry David Thoreau
Source Walking
Topic ignorance self-knowledge
Date 1851
Language English
Reference
Note
Weblink http://www.gutenberg.org/files/1022/1022-h/1022-h.htm

Context

“Methinks there is equal need of a Society for the Diffusion of Useful Ignorance, what we will call Beautiful Knowledge, a knowledge useful in a higher sense: for what is most of our boasted so-called knowledge but a conceit that we know something, which robs us of the advantage of our actual ignorance? What we call knowledge is often our positive ignorance; ignorance our negative knowledge. By long years of patient industry and reading of the newspapers—for what are the libraries of science but files of newspapers—a man accumulates a myriad facts, lays them up in his memory, and then when in some spring of his life he saunters abroad into the Great Fields of thought, he, as it were, goes to grass like a horse and leaves all his harness behind in the stable.” source