“The time you quit learning is the time to quit playing.”
Source: The Cardturner: A Novel about a King, a Queen, and a Joker
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Louis Sachar 24
American writer of children's books 1954Related quotes

“I say to you quite frankly that the time for racial discrimination is over.”
Gubernatorial Inaugural Address (12 January 1971)
Pre-Presidency
Context: At the end of a long campaign, I believe I know the people of our state as well as anyone. Based on this knowledge of Georgians North and South, Rural and Urban, liberal and conservative, I say to you quite frankly that the time for racial discrimination is over.

“Once you learn to quit, it becomes a habit. ”

“But nothing warps time quite like childhood”
Source: Saga, Vol. 3

“We do not quit playing because we grow old, we grow old because we quit playing.”
This is an anonymous modern quip which is a variant of a statement by G. Stanley Hall, in Adolescence: Its Psychology and Its Relations to Physiology, Anthropology, Sociology, Sex, Crime, Religion and Education (1904):
: Men grow old because they stop playing, and not conversely.
Misattributed

http://www.rollingstone.com/music/music-news/chris-martin-coldplay-interview-jann-wenner-920912/ source
On the X&Y album.

“It's easy to quit smoking. I've done it hundreds of times ”

orlandosentinel.com -- exerpt from Burgundy Records announcement of '90 Millas' (August 10, 2007)
2007, 2008

Strummer on Man, God, Law and the Clash (31 January 1988)