"Man has been here 32,000 years. That it took a hudred million years to prepare the world for him is proof that is what it was done for. I suppose it is. I dunno. If the Eiffel Tower were now representing the world's age, the skin of paint on the pinnacle-knob at its summit would represent man's share of that age; and anybody would perceive that skin was what the tower was built for. I reckon they would. I dunno." - Mark Twain, "Was the World Made for Man?"