“If you could make people with ten-point-higher IQs, we'd probably have fewer wars.”
What I've Learned: James Watson (2007)
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James D. Watson 47
American molecular biologist, geneticist, and zoologist. 1928Related quotes

From 1980s onwards, Critical Path (1981)

“A change in perspective is worth 80 IQ points.”
Perspective is worth 80 IQ points.
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1980s

“It's a scientific fact that if you stay in California you lose one point of your IQ every year.”
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Playboy interview (May 1995)
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Response upon being questioned as to his IQ, in interview with Deborah Solomon "The Science of Second-Guessing", The New York Times (12 December 2004)