Particularly when the war power is invoked to do things to the liberties of people, or to their property or economy that only indirectly affect conduct of the war and do not relate to the engagement of the war itself, the constitutional basis should be scrutinized with care. ... I would not be willing to hold that war powers may be indefinitely prolonged merely by keeping legally alive a state of war that had in fact ended. I cannot accept the argument that war powers last as long as the effects and consequences of war for if so they are permanent -- as permanent as the war debts.
We must make clear to the Germans that the wrong for which their fallen leaders are on trial is not that they lost the war, but that they started it. And we must not allow ourselves to be drawn into a trial of the causes of the war, for our position is that no grievances or policies will justify resort to aggressive war. It is utterly renounced and condemned as an instrument of policy.
If we can cultivate in the world the idea that aggressive war-making is the way to the prisoner's dock rather than the way to honors, we will have accomplished something toward making the peace more secure.