David Grinspoon Quotes
Even cynical, selfish people will realize, one way or the other, that it's not in their self-interest to act in self-destructive ways.
Citations
Grinspoon, David. "Science AMA Series." Reddit, 2016.
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David H. Grinspoon (born 1959) is an American astrobiologist. He is Senior Scientist at the Planetary Science Institute and was the former inaugural Baruch S. Blumberg NASA/Library of Congress Chair in Astrobiology for 2012-2013.