My third discovery is of a difficulty which I suspect to be more acute in England than elsewhere. I mean the difficulty occasioned by language. In all societies, no doubt, the speech of the vulgar differs from that of the learned. The English language with its double vocabulary (Latin and native), English manners (with their boundless indulgence to slang, even in polite circles) and English culture which allows nothing like the French Academy, make the gap unusually wide. There are almost two languages in this country. The man who wishes to speak to the uneducated in English must learn their language….
Apart from this linguistic difficulty, the greatest barrier I have met is the almost total absence from the minds of my audience of any sense of sin. This has struck me more forcibly when I spoke to the R.A.F. than when I spoke to students: whether (as I believe) the Proletariat is more self-righteous than other classes, or whether educated people are cleverer at concealing their pride, this creates for us a new situation. The early Christian preachers could assume in their hearers whether Jews, Metuentes or Pagans, a sense of guilt. (That this was common among Pagans is shown by the fact that both Epicureanism and the Mystery Religions both claimed, though in different ways, to assuage it.) Thus the Christian message was in those days unmistakably the Evangelium, the Good News. It promised healing to those who knew they were sick. We have to convince our hearers of the unwelcome diagnosis before we can expect them to welcome the news of the remedy.
The ancient man approached God (or even the gods) as the accused person approaches his judge. For the modern man the roles are reversed. He is the judge: God is in the dock. He is quite a kindly judge: if God should have a reasonable defence for being the god who permits war, poverty and disease, he is ready to listen to it. The trial may even end in God’s acquittal. But the important thing is that Man is on the Bench and God in the Dock.
It is generally useless to try to combat this attitude, as older preachers did, by dwelling on sins like drunkenness and unchastity. The modern Proletariat is not drunken. As for fornication, contraceptives have made a profound difference. As long as this sin might socially ruin a girl by making her the mother of a bastard, most men recognized the sin against charity which it involved, and their consciences were often troubled by it. Now that it need have no such consequences, it is not, I think, generally felt to be a sin at all. My own experience suggests that if we can awake the conscience of our hearers at all, we must do so in quite different directions. We must talk of conceit, spite, jealousy, cowardice, meanness, etc. But I am very far from believing that I have found the solution of this problem.
C.S. Lewis, "God in the Dock" (1948) included in God in the Dock (Eerdmans, 1970) 242-244.