It would be interesting to know in what sense the Archbishop of Canterbury used the word ‘propaganda’ in introducing to the public, in his speech to Convocation, the pamphlet Infallible Fallacies as a useful antidote to the ‘intensified propaganda’ of the Catholic Church. This word has almost lost its primary and original sense, and has acquired a loaded and sinister meaning. What it usually signifies today is spreading or bolstering up an idea by suppressing half the truth about it, using false emphasis, suggestion and even direct mis-statement, and especially by employing a technique of making isolated and probably hypothetical instances appear as widely applicable generalisations. Inevitably, when the word is used, it raises in the mind an imaginative picture embodying these associations. It is strange then that His Grace should have used it, without explanation, when speaking officially on the delicate topic of the greatest Church in Christendom and the methods it uses in proclaiming its teaching, and it is still stranger that he should have selected for commendation, as a defence against this teaching, a pamphlet which exhibits, though clearly unconsciously and in ignorance, many of the characteristics of propaganda in this secondary and less reputable sense.