
§ 4
From Lives and Opinions of the Eminent Philosophers by Diogenes Laërtius
§ 7
From Lives and Opinions of the Eminent Philosophers by Diogenes Laërtius
ἐρωτηθεὶς τί τῶν μαθημάτων ἀναγκαιότατον, “τὸ περιαιρεῖν,” ἔφη, “τὸ ἀπομανθάνειν.”
§ 4
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
“The most necessary learning is that which unlearns evil. ”
“The most useful piece of learning for the uses of life is to unlearn what is untrue.”
Diogenes Laërtius, vi. 49
Quoted by Diogenes Laërtius
Aristippus, 4.
The Lives and Opinions of Eminent Philosophers (c. 200 A.D.), Book 2: Socrates, his predecessors and followers