Sacrifice of the more prosaic sort can keep that tragedy at bay, more or less successfully, but it takes a special kind of sacrifice to defeat evil. It is the description of that special sacrifice that has preoccupied the Christian (and more than Christian) imagination for centuries. Why has it not had the desired effect? Why do we remain unconvinced that there is no better plan than lifting our eyes skyward, aiming at the Good, and sacrificing everything to that ambition? Have we merely failed to understand,
