“vice,” wrote Samuel Johnson, “must always disgust.” Its purpose, he said, is to initiate the reader through “mock encounters” with evil so that evil cannot later deceive him—so he can maintain a pure life in a fallen world. These criteria are complementary. None alone is sufficient to justify the censorable in a work of literature or in another element of the curriculum. Together they work powerfully to preserve moral purity while providing for a developing moral judgment. Let us now consider how