We 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 ‘higher answer’–but none exists.
Stephen J. Gould, interview, Life (December 1988).
Actually, why we’re here is to take care of each other. There’s no one else to do it.