The sacraments of Nature are in this way everywhere woven into the texture of men's and women's bodies. Lips good to kiss with are indeed first of all chiefly good to eat and drink with. So accumulated and overlapped have the centres of force become in the long course of development, that the mucous membranes of the natural orifices, through the sensitiveness gained in their own offices, all become agents to thrill the soul in the contact of love; it is idle to discriminate high or low, pure or impure; all alike are sanctified already by the extreme unction of Nature. The nose receives the breath of life; the vagina receives the water of life. Ultimately the worth and loveliness of life must be measured by the worth and loveliness for us of the instruments of life. The swelling breasts are such divinely gracious insignia of womanhood because of the potential child that hangs at them and sucks; the large curves of the hips are so voluptuous because of the potential child they clasp within them; there can be no division here, we cannot cut the roots from the tree. The supreme function of manhood--the handing on of the lamp of life to future races--is carried on, it is true, by the same instrument that is the daily conduit of the bladder. It has been said in scorn that we are born between urine and excrement; it may be said, in reverence, that the passage through this channel of birth is a sacrament of Nature's more sacred and significant than men could ever invent. These relationships have been sometimes perceived and their meaning realized by a sort of mystical intuition. We catch glimpses of such an insight now and again, first among the poets and later among the physicians of the Renaissance. In 1664 Rolfincius, in his _Ordo et Methods Generationi Partium etc._, at the outset of the second Part devoted to the sexual organs of women, sets forth what ancient writers have said of the Eleusinian and other mysteries and the devotion and purity demanded of those who approached these sacred rites. It is so also with us, he continues, in the rites of scientific investigation. "We also operate with sacred things. The organs of sex are to be held among sacred things. They who approach these altars must come with devout minds. Let the profane stand without, and the doors be closed." In those days, even for science, faith and intuition were alone possible. It is only of recent years that the histologist's microscope and the physiological chemist's test-tube have furnished them with a rational basis. It is no longer possible to cut Nature in two and assert that here she is pure and there impure.[50]