“We think that groups of between 30 and 40 early men would have settled in an area measuring a hundred square kilometers.”

“No one wants to die. Even people who want to go to heaven don't want to die to get there. And yet death is the destination we all share. No one has ever escaped it. And that is as it should be, because Death is very likely the single best invention of Life. It is Life's change agent. It clears out t”