If a novel reveals true and vivid relationships, it is a moral work, no matter what the relationships consist in. If the novelisthonours the relationship in itself, it will be a great novel.
There is something frightful in being required to enjoy and appreciate all masterpieces; to read with equal relish Milton, and Dante, and Calderon, and Goethe, and Homer, and Scott, and Voltaire, and Wordsworth, and Cervantes, and Molière, and Swift.