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The man who finds that in the course of his life he has done a lot of wrong often wakes up at night in terror, like a child with a nightmare, and his life is full of foreboding: but the man who is conscious of no wrongdoing is filled with cheerfulness and with the comfort of old age.

The man who finds that in the course of his life he has done a lot of wrong often wakes up at night in terror, like a child with a nightmare, and his life is full of foreboding: but the man who is conscious of no wrongdoing is filled with cheerfulness and with the comfort of old age.

Approximate author period: c. 387 BC · classical

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Attribution & collection notes
Author or tradition
Plato
Attribution: attributed
Country attributed
Not established
A country attribution does not establish the earliest origin.
Historical period
Approximate author period: c. 387 BC · classical
Approximate historical context for attribution to Plato, based on life years -427 to -347. Opening discussion dates Plato circa 427–347 BCE. Ancient life years and the resulting grouping point are approximate, not independently verified dates for attributed quotations. Source: Plato on Knowledge in the Theaetetus — Stanford Encyclopedia of Philosophy, https://plato.stanford.edu/entries/plato-theaetetus/ (checked 2026-10-09). This does not establish the composition date or authenticate the attribution of these words. Source: https://plato.stanford.edu/entries/plato-theaetetus/ (accessed 2026-10-09).
An author lifetime, approximate period or collection date is not necessarily the date when these words were first written or spoken.
Recorded source
Contributor-provided quotation collection

Supplied reference C; CSV row 304590; supplied attribution, independently unverified

A collection's publication date can be later than the words it records.