"Today the world changes so quickly that in growing up we take leave not just of youth but of the world we were young in"
About this Quote
The intent is diagnostic, not merely wistful. Coming from a 20th-century scientist who lived through world wars, the rise of mass media, and accelerating technological churn, the line reads like an observation about speed as a cultural force. “Today” matters: it signals a historical shift, an era where generational difference isn’t just about taste or manners but about operating systems - social, political, technological - that can make someone feel prematurely obsolete.
Subtext: the ache of disorientation is rational. If the environment changes fast enough, maturation stops being a gradual adjustment and becomes repeated immigration. You learn adulthood in one world and then have to practice it in another. That’s why the sentence works: it turns the sentimentality of “losing youth” into something sharper and more structural - a reminder that identity is partly an ecosystem, and ecosystems can vanish.
Quote Details
| Topic | Nostalgia |
|---|---|
| Source | Help us find the source |
| Cite |
Citation Formats
APA Style (7th ed.)
Medawar, Peter. (2026, January 15). Today the world changes so quickly that in growing up we take leave not just of youth but of the world we were young in. FixQuotes. https://fixquotes.com/quotes/today-the-world-changes-so-quickly-that-in-120642/
Chicago Style
Medawar, Peter. "Today the world changes so quickly that in growing up we take leave not just of youth but of the world we were young in." FixQuotes. January 15, 2026. https://fixquotes.com/quotes/today-the-world-changes-so-quickly-that-in-120642/.
MLA Style (9th ed.)
"Today the world changes so quickly that in growing up we take leave not just of youth but of the world we were young in." FixQuotes, 15 Jan. 2026, https://fixquotes.com/quotes/today-the-world-changes-so-quickly-that-in-120642/. Accessed 12 Feb. 2026.









