2. Human Duality

When we observe the relation between the blood and the spleen, the latter appears to us like a sieve through which the blood passes in order that it may offer itself to an organ of the kind which, in a certain sense, is a shrivelled-up portion of the macrocosm. Again, the spleen stands in connection with the liver. At the next stage we see how the blood offers itself to the liver, and how the liver in its turn, as a third step, secretes the gall, which then goes over into the nutritive substances, and from there comes with the transformed nutritive substances into the blood.