Antisthenes (-444–-365 BC) Greek philosopher
§ 7
From Lives and Opinions of the Eminent Philosophers by Diogenes Laërtius
“When asked what learning was the most necessary, he said, "Not to unlearn what you have learned."”
Antisthenes, 4.
The Lives and Opinions of Eminent Philosophers (c. 200 A.D.), Book 6: The Cynics
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biographer of ancient Greek philosophers 180–240Related quotes
Antisthenes (-444–-365 BC) Greek philosopher
§ 4
From Lives and Opinions of the Eminent Philosophers by Diogenes Laërtius
“The most necessary learning is that which unlearns evil. ”
Antisthenes (-444–-365 BC) Greek philosopher
“The most useful piece of learning for the uses of life is to unlearn what is untrue.”
Antisthenes (-444–-365 BC) Greek philosopher
Diogenes Laërtius (180–240) biographer of ancient Greek philosophers
Aristippus, 4.
The Lives and Opinions of Eminent Philosophers (c. 200 A.D.), Book 2: Socrates, his predecessors and followers
“Half of wisdom is learning what to unlearn.”
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“When one asked him what boys should learn, "That," said he, "which they shall use when men."”
Plutarch (46–127) ancient Greek historian and philosopher
Of Agesilaus the Great
Laconic Apophthegms
“The mind unlearns with difficulty what it has long learned.”
Seneca the Younger (-4–65 BC) Roman Stoic philosopher, statesman, and dramatist
Desiderius Erasmus (1466–1536) Dutch Renaissance humanist, Catholic priest, and theologian
Letter to Christian Northoff (1497), as translated in Collected Works of Erasmus (1974), p. 114
