But more than this. Every well-informed woman knows that there is far more venereal disease in the world to-day, among men and among women, than there was before the war, and she should train all the members of her household in habits of strict cleanliness. Instinctively they will then avoid risking their health by contact with a possible source of defilement, or if the risk has most unfortunately been taken, they will instantly and instinctively remove and destroy the possible infection, in the same rapid and effective way as they would cleanse their boot from filth accidentally coming in contact with it. By all means let the mothers continue to inculcate virtue, but they should also teach sexual cleanliness directly and indirectly, themselves setting the example. After all, the microbes of venereal disease grow almost exclusively in the genital passages, and if these were kept sweet and clean there would soon be an end to venereal disease. It is not a matter of making _vice_ safe: it is a matter of making _marriage_ safe: a matter of restoring and maintaining physical health, family and national, and above all, of protecting innocent women and children, for if vice has its dangers so also in these days has innocence its own peculiar perils, and it is the cry of these victims--often so young and so fair--that must affect us most deeply. More than fourteen years ago, Mr. George Bernard Shaw, in the Preface to "Getting Married," wrote the following regarding "The Pathology of Marriage":--