Thus from one country to another fly the shuttles of gold and shuttles of steel, drawing the fine and many-coloured woof of contemporary consciousness through thread after thread of the strong warp, made up of the laws and customs of various nations. What follows is in part a drawing of the new pattern this weaving is fashioning, in part an insertion into this pattern of certain new motives. Those who regard monogamy as the only standard of sexual morality and the only legitimate form of personal love, do not mean the ostensible monogamy now established by law but circumvented by custom. They mean real monogamy: one man for one woman during that man’s lifetime; one woman for one man during that woman’s lifetime, and beyond that complete abstinence. In the way of development, they acknowledge only one gradual realisation of this ideal; in the tendency of the present day to adopt several lines of development they see nothing but decadence. Again, those who profess the faith of Life regard the ideals of mankind as an expression of man’s higher needs. Ideals which were once incentives to development thus become a drag upon it, whenever life’s needs demand new forms that are not recognised by the prevailing idealism. Only he who believes in supersensuous, God-inspired ideals will consider these fixed for all natures and all times. Evolution, on the other hand, shows us that the same ideals never have been and never can be accepted by all the beings we include in the single expression, the human race, but which in reality belong to almost as many separate races as the animal world. Evolutionists indeed rejoice that humanity cannot be equated under a single faith, a single code of custom, a single ideal, since in the diversity of life they see a great part of its worth. They think that this in itself is a sufficient reason for gradually granting to individuals of the same time and country that liberty which, from a historical point of view, is allowed to the same nation at different periods, and, from an ethnographical point of view, to different nations at the same period: namely, the liberty, within certain limits, of choosing its own form of sexual life. And they would be the more ready to do so, since the geographical, climatic, historical, and economic differences between individuals are just as great as those between nations and periods, and thus what is adequate to the needs and development of one cannot answer to those of the rest.