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Rh obstacles and unexpected possibilities. In the trees the separation from their progeny ends in complete detachment, whereas in animals it leads to a further relationship. Thus the vital interest of animals is still more enlarged in its scope and intensity, and their consciousness is spread over a larger area. This wider kingdom of their individuality they have constantly to maintain through a complex relationship with their world. All obstacles to this are evils.

In man, this dualism of physical life is still more varied. His needs are not only greater in number and therefore requiring larger field for search, but also more complex, requiring deeper knowledge of things. This gives him a greater consciousness of himself. It is his mind which more fully takes the place of the automatic movements and instinctive activities of trees and animals. This mind also has its negative and positive aspects of separateness and unity. For, on the one hand, it separates the objects of knowledge from their knower, and then again unites them in a relationship of knowledge. To the vital relationship of this world of food and sex is added the secondary relation which is mental. Thus we make this world doubly our own by living in it and by knowing it.