"Traveling through the world produces a marvelous clarity in the judgment of men. We are all of us confined and enclosed within ourselves, and see no farther than the end of our nose. This great world is a mirror where we must see ourselves in order to know ourselves. There are so many different tempers, so many different points of view, judgments, opinions, laws and customs to teach us to judge wisely on our own, and to teach our judgment to recognize its imperfection and natural weakness."