He left some of his own blood there. He witnessed the decadent lifestyles of fellow writers like Bertrand Russell and Ernest Hemingway in the interwar period. Over fifty years after the conclusion of that war, we are in a vastly different cultural situation. Korea, Vietnam, even Kuwait were experiences of moral ambiguity and incompleteness. Modern philosophers speak in terms of graded shades of gray.
Law protects abortionists even while it makes babies fair game in the process of being born.
Even some Catholic prelates have supported the starvation of comatose patients as an act of compassion. Finally, those whom we wish to bring to Christ, especially the young, have been raised in an environment of drugs, MTV and free condom distribution, while their public role models have acted as if the moral law ends above the beltline. Shocks to the system Now C. S. Lewis holds to a moral code practically indistinguishable from that preached by every Pope of the twentieth century. That is to his credit, but it is precisely the problem with using Mere Christianity as an introduction to generic Christianity. That is so cool.