Among people I have met, the few whom I would term โgreatโ all share a kind of unquestioned, fierce dedication; an utter lack of doubt about the value of their activities (or at least an internal impulse that drives through any such angst); and above all, a capacity to work (or at least to be mentally alert for unexpected insights) at every available moment of every day of their lives.
Stephen Jay GouldWe are here because one odd group of fishes had a peculiar fin anatomy that could transform into legs for terrestrial creatures; because the earth never froze entirely during an ice age; because a small and tenuous species, arising in Africa a quarter of a million years ago, has managed, so far, to survive by hook and by crook. We may yearn for a โhigher answerโโ but none exists
Stephen Jay Gould...we must be wary of granting too much power to natural selection by viewing all basic capacities of our brain as direct adaptations.
Stephen Jay GouldMass extinctions may not threaten distant futures, but they are decidedly unpleasant for species caught up in the throes of their power.
Stephen Jay Gould