“Good sportsmanship we hail, we sing,
It's always pleasant when you spot it,
There's only one unhappy thing:
You have to lose to prove you've got it.”
Richard Armour (1958) Nights with Armour: Lighthearted Light Verse. p. 97
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Richard Armour 2
American writer 1906–1989Related quotes

Nicholas Negroponte: A 30-year history of the future http://www.ted.com/talks/nicholas_negroponte_a_30_year_history_of_the_future, July 2014, TED Talks (about 13:40 into 19:43 video).
A 30-year history of the future, TED Talk (2014)

“First thing you learn
is that you've
always got to wait”
"I'm Waiting for the Man"
Lyrics

"Me and You".
Volume Two (2010)

“That's the good part of dying; when you've nothing to lose, you run any risk you want.”
Source: Fahrenheit 451
“It only takes one thing to make you unhappy.”
Source: Novels, That Eye, the Sky (1986), Ch.2 - p.11 [Page numbers per the Penguin Books Australia 1987 paperback edition.]

As quoted in 1000 Brilliant Achievement Quotes (2004) by David Deford, p. 4
Source: High Adventure

Variant translation: The only way to truly know a person is to argue with them. For when they argue in full swing, then they reveal their true character.
28 September 1942
Variant: I've learned one thing: you only really get to know a person after a fight. Only then can you judge their true character!
Source: The Diary of a Young Girl (1942 - 1944)