Sex is no accident in our humanity. The function of the sexual elements in our physical frame is so central that unless they be truly managed health and strength are impossible. Their relation is no less vital to our mental and aesthetic life, and they appear to control almost absolutely our nervous stability. No man or woman attains to fullness and harmony of life if the sexual nature be either neglected or mismanaged. No society is strong and happy unless this part of life is truly adjusted. It may even be said that the evils that come through the mismanagement of sex relations have beaten every civilization up to the present. And no doubt it is natural enough to shudder over the abominations of prostitution and sex vice in general, and so to turn our minds away from the whole matter. But for all that our emotional energies would be better employed in trying to understand this titanic force, and in learning how it may be utilized for our upward progress. Mere prohibitions have so utterly and entirely failed us that we ought now to realize that there is no hope in them alone. What we need is a positive constructive ideal for this part of life which will indicate the real value of the sexual forces in us, and not leave young men and women partly perplexed, partly ashamed, and partly annoyed because they are as the Creator made them. And so I repeat we must begin with the assumption that, though we have not yet spelt it out, God must have had some great purpose of love when He created men and women with a clamant sex instinct at the center of their personalities. Hebrew instinct declared that "God saw everything that He had made, and behold it was very good." Christian instinct must repeat the verdict with vastly increased conviction, for our humanity is such that the Son of God could wear it. He was not ashamed to call us brethren, and to be tempted like as we are. To suggest that in passion and in its exercise at the bidding of love there need be anything that is not holy, is to arraign the Creator. Sex love abused and misunderstood has indeed strewn the world with tragedies and disease. But sex love is going to remain. Not until we have learnt to make it an instrument for the perfection of life and the heightening of vitality can we hope to reach the life which the love of God designed for us; and to that we shall not attain until we have dared to acquire knowledge and through knowledge to attain to wisdom. The ideal which still lingers in many minds, though it is seldom openly confessed, is that boys and girls, young men and women, should be kept in complete ignorance of the truth about their sexual natures until they marry, and that then they should be left to learn all that they need to know from Mother Nature direct. That at least would seem to be a fair inference from the fact of the conspiracy of silence in which ninety per cent of parents have engaged towards the beings they love best.