Laugh at yourself, but don't ever aim your doubt at yourself. Be bold. When you embark for strange places, don't leave any of yourself safely on shore. Have the nerve to go into unexplored territory.
It is not tolerable, it is not possible, that from so much death, so much sacrifice and ruin, so much heroism, a greater and better humanity shall not emerge.
Long after this wonderful event in the Earth's history, when the human species was spread over a good deal of Asia, Europe, and Africa, migration to the American continents began in attempts to find new feeding grounds and unoccupied areas for hunting and fishing.