It is impossible for a man to begin to learn what he thinks he already knows.

Stoic philosopher, former slave

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Details

Context

Discourses, Book 2, Chapter 17

Date / Period

c. 108 AD

Category

Shocking

Source

https://www.gutenberg.org/files/45109/45109-h/45109-h.htm#link2H_4_0007

Verification

Confirmed

Explanation

Found in 3 providers: deepseek,gemini,grok

Method

Cross Reference

Sources Checked

3 sources

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