Far from being the smartest possible biological species, we are probably better thought of as the stupidest possible biological species capable of starting a technological civilization. We filled that niche because we got there first, not because we are in any sense optimally adapted to it.
Nick Bostrom, Superintelligence: the Coming Machine Intelligence Revolution, chap. 2
Nassim Nicholas Taleb, The Black Swan: The Impact of the Highly Improbable, New York, 2007, p. 133