“People like to hold onto life in many ways, but everything is transitory. This is it, right now. Youth doesn’t last forever, beauty doesn’t last forever, so appreciate it for the moment.”
On the loss of site-specific artwork in “Gronk by Marisela Norte” https://bombmagazine.org/articles/gronk/ in BOMB Magazine (2007 Jan 1)
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Gronk (artist) 4
American artist 1954Related quotes
“I know this doesn't last forever, so I'm cherishing every moment of it”
http://img.picturequotes.com/2/308/307755/i-know-this-doesnt-last-forever-so-im-cherishing-every-minute-of-it-quote-1.jpg
“If good things lasted forever, would we appreciate how precious they are?”
Source: It's a Magical World: A Calvin and Hobbes Collection
Part 1, Chapter 3, Economic History, p. 43
Economics For Everyone (2008)

on the best political advice his father has given to him
"The Commissioner", FHM 01 September 2010, p. 54.
2010

"Simone Biles tells Hoda she's 'keeping the door open' for Olympic return" in Today (4 August 2021) https://www.today.com/news/simone-biles-talks-hoda-kotb-about-tokyo-olympics-medal-t227271?cid=sm_npd_td_tw_ma

Fictional attribution in the movie The Emperor's Club (2002), given by Kevin Kline (as William Hundert); also attributed to Diogenes, without sources; no published occurrences of this statement prior to the movie have been located in any of the Aristophanes Plays or Fragments.
Misattributed
Source: IMDb, "Memorable quotes for The Emperor's Club" http://www.imdb.com/title/tt0283530/quotes, Internet Movie Database, www.imdb.com
Source: Two pages attributing it to Diogenes: http://www.prohibitionists.org/Background/Party_Platform/quickquotes/QQ-education.htm http://www.ryanbalton.com/funstuff/forb_seniorquotes.htm