“No other species anywhere in the world had invented boredom. Perhaps it was boredom, not intelligence, that had propelled them up to the evolutionary ladder.”
Source: Thief of Time
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Terry Pratchett 796
English author 1948–2015Related quotes

“Maybe happiness too is a metaphor invented on a day of boredom”
Source: November

“The Beatles saved the world from boredom.”
Another large part of stupidity is stubbornness, unconsciously saying, “I won’t. You can’t make me.”
Source: Growing Up Absurd (1956), pp. 71-72.

Source: The Hidden Goddess (2011), Chapter 1, “The Message in the Steam” (p. 17)
[Grant, Jennifer, MOMumental: Adventures in the Messy Art of Raising a Family, http://books.google.com/books?id=8Iu1QtZR_X8C&pg=PT184, 1 May 2012, Worthy Publishing, 978-1-61795-099-5, 184–]
"Bushes and Ladders in Human Evolution", p. 61
Ever Since Darwin (1977)

"The Challenge of Renewal"
The Conduct Of Life (1951)