The example of America must be the example not merely of peace because it will not fight, but of peace because peace is the healing and elevating influence of the world, and strife is not. There is such a thing as a man being too proud to fight. There is such a thing as a nation being so right that it does not need to convince others by force that it is right.
The unleashed power of the atom has changed everything except our thinking. Thus, we are drifting toward catastrophe beyond conception. We shall require a substantially new manner of thinking if mankind is to survive.
If you will not fight for right when you can easily win without bloodshed; if you will not fight when your victory will be sure and not too costly; you may come to the moment when you will have to fight with all odds against you and only a precarious chance of survival. There may be even a worse fate, you may have to fight when there is no hope of victory, because it is better to perish than to live as slaves.
Civilisation will not last, freedom will not survive, peace will not be kept, unless a very large majority of mankind unite together to defend them and show themselves possessed of a constabulary power before which barbaric and atavistic forces will stand in awe.