58 MY AMERICAN FRIENDS aseptic precautions in eating, drinking and wash- ing, or of the legend I have seen at street crossings, " Safety or suicide/' all betokening their* solicitude to keep America " safe." No wonder. It is the most dangerous country in the world. Strange it is how the human mind reacts upon itself, even to the point of becoming frightened at its own courage. For it is one thing to be courageous—a fighting bull may be that—and quite another thing to be conscious how courageous you are—a discovery which has been known to have the effect of turning a brave man into a coward on the spot.1 America is the land where these reactions, shared in some degree by all peoples, may be studied in their most sudden and violent forms. The swing of the pendulum between the point where you do a thing and the point where you criticize yourself for doing it is more rapid in America than elsewhere. The swing from one extreme to another—as, say, from Modernism to Fundamentalism—which takes a moment elsewhere (as history counts time) takes only half a moment in America. And there is another cause. With the De- claration of Independence was born the idea that the mission of America was to set a good example to the world of liberty and its fruits, and surely it was a laudable ambition. The political utterances of Thomas Jefferson are full of this idea and a thousand instances of it could be culled 1 Compare Hamlet, " Conscience makes cowards of us all/*