Very well, then, where do we arrive? Where do we arrive with our respect, our homage, our filial affection? At Adam! At Adam, every time. We can't build a monument to a germ, but we can build one to Adam, who is in the way to turn myth in in fifty years and be entirely forgotten in two hundred. We can build a monument and save his name to the world forever, and we'll do it!
That is the way of the scientist. He will spend thirty years in building up a mountain range of facts with the intent to prove a certain theory; then he is so happy with his achievement that as a rule he overlooks the main chief fact of all-that all his accumulation proves an entirely different thing.
The fact that man knows right from wrong proves his intellectual superiority to the other creatures; but the fact that he can do wrong proves his moral inferiority to any creatures that cannot.