"Prīmum cognōsce
tuam ignōrantiam."
"First
know of your ignorance."
“…nihil
se scire dicat nisi id ipsum, eoque praestare ceteris quod illi quae nesciant
scire se putent, ipse se nihil scire, id unum sciat, ob eamque rem se
arbitrari ab Apolline omnium sapientissimum esse dictum quod haec esset una
omnis sapientia, non arbitrari se scire quod nesciat.”
“…to
assert that he knows nothing except the fact of his own ignorance, and that
he surpassed all other people in that they think they know things that they
do not know but he himself thinks he knows nothing, and that he believed this
to have been the reason why Apollo declared him to be the wisest of all men,
because all wisdom consists solely in not thinking that you know what you do
not know.”
–
Cicero, Academic a,
I, 4 (45 BCE)
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"The
fundamental cause of the trouble is that in the modern world the stupid are
cocksure while the intelligent are full of doubt."
–
Bertrand Russell, Mortals and Others (1931-35)
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"A
man's got to know his limitations."
–
"Dirty Harry" Callahan, Magnum Force (1973)
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"People
tend to hold overly favorable views of their abilities in many social and
intellectual domains. The authors suggest that this overestimation occurs, in
part, because people who are unskilled in these domains suffer a dual burden:
Not only do these people reach erroneous conclusions and make unfortunate
choices, but their incompetence robs them of the metacognitive ability to
realize it."
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