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Rh beloved." In Nietzsche's poem the comparison is also a causative one, but this time in a reversed sense. The comparison with the snake is unequivocally phallic, corresponding completely with the tendency in antiquity, which was to see in the symbol of the phallus the quintessence of life and fruitfulness. The phallus is the source of life and libido, the great creator and worker of miracles, and as such it received reverence everywhere. We have, therefore, three designating symbols of the libido: First, the comparison by analogy, as sun and fire. Second, the comparisons based on causative relations, as A: Object comparison. The libido is designated by its object, for example, the beneficent sun. B: The subject comparison, in which the libido is designated by its place of origin or by analogies of this, for example, by phallus or (analogous) snake.

To these two fundamental forms of comparison still a third is added, in which the "tertium comparationis" is the activity; for example, the libido is dangerous when fecundating like the bull—through the power of its passion—like the lion, like the raging boar when in heat, like the ever-rutting ass, and so on.

This activity comparison can belong equally well to the category of the analogous or to the category of the causative comparisons. The possibilities of comparison mean just as many possibilities for symbolic expression, and from this basis all the infinitely varied symbols, so far as they are libido images, may properly be reduced to a very simple root, that is, just to libido and its fixed primitive qualities. This psychologic reduction and