Purity is not imposed upon us as though it were a kind of punishment, it is one of those mysterious but obvious conditions of that supernatural knowledge of ourselves in the Divine, which we speak of as faith. Impurity does not destroy this knowledge, it slays our need for it.
What does the truth matter? Haven't we mothers all given our sons a taste for lies, lies which from the cradle upwards lull them, reassure them, send them to sleep: lies as soft and warm as a breast!