It would be hard to hold this belief and to live up to it, but it may be that only through some such holy act of imagination can we, in all humility, hope to possess the sober serenity called for in these days.

Against pacifist sentiment and calls for isolationism, Reinhold Niebuhr insisted on a realistic Christian response to political crises, one willing to dirty its hands to avoid catastrophic evil. However, his dialectic between love and justice produces a catastrophic paradox.