Science ... looks skeptically at all claims to knowledge, old and new. It teaches not blind obedience to those in authority but to vigorous debate, and in many respects that's the secret of its success.
Michelle will tell you that when we get together for Christmas or Thanksgiving, it's like a little mini-United Nations... I've got relatives who look like Bernie Mac, and I've got relatives who look like Margaret Thatcher... We've got it all.
When we look upon lives so human and yet so small, we feel as if we ourselves were enlarged to an embarrassing bigness of stature. We feel the same kind of obligation to these creatures that a deity might feel if he had created something that he could not understand.