quote · Words worth keeping
You do not really understand something unless you can explain it to your grandmother.
You do not really understand something unless you can explain it to your grandmother.
Approximate historical placement: c. 1917 AD · modern
Meaning not yet available
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- Author or tradition
- Albert Einstein
Attribution: attributed - Country attributed
- Not established
A country attribution does not establish the earliest origin. - Historical period
- Approximate historical placement: c. 1917 AD · modern
Approximate author-period anchor from life dates 1879 to 1955; Wikidata Q937, https://www.wikidata.org/wiki/Q937 (accessed 2026-10-08). Not a quotation composition date.
An author lifetime or approximate period is not necessarily the date when these words were written or spoken. - Recorded source
- Contributor-provided quotation collection
Supplied reference C; CSV row 235009; supplied attribution, independently unverified
A collection's publication date can be later than the words it records.