“If a man knows more than others, he becomes lonely.”
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C.G. Jung 257
Swiss psychiatrist and psychotherapist who founded analytic… 1875–1961Related quotes

“Man knows much more than he understands.”
As quoted in A Primer of Adlerian Psychology: The Analytic-Behavioural-Cognitive Psychology of Alfred Adler (1999) by Harold H. Mosak and Michael P. Maniacci

A jibe directed at Ramsay MacDonald, during a speech in the House of Commons, March 23, 1933 "European Situation" http://hansard.millbanksystems.com/commons/1933/mar/23/european-situation#column_544. This quote is similar to a remark (“He can compress the most words into the smallest ideas of any man I ever met”) made by Abraham Lincoln. [Frederick Trevor Hill credits Lincoln with this remark in Lincoln the Lawyer (1906), adding that ‘History has considerately sheltered the identity of the victim’.]
The 1930s

“An intellectual is a man who takes more words than necessary to tell more than he knows.”
“Socialism is founded on a lie -- the premise that man knows more than he in fact does know.”
Leonard Read Journals, September 18, 1959 https://history.fee.org/leonard-read-journal/1959/leonard-e-read-journal-september-1959
Gish has repeatedly been challenged to support this claim, but has failed to do so: ** Source http://www.talkorigins.org/faqs/cre-error.html

“A one-eyed man is much more incomplete than a blind man, for he knows what it is that's lacking.”
Source: The Hunchback of Notre-Dame