One of the most debated issues among students of Christian ethics today concerns the relation of the universal or at least broadly based criteria in an ethical judgment to the unique elements in the concrete situation. It is far from being simply an academic debate, for it has immediate relevance to our most pressing contemporary problems. It impinges directly upon any serious discussion concerning issues such as, e.g., desegregation, the morality of modern warfare, the cost of maintaining a free society or preventing the extension of Communism.