Now, Naturalism can appeal in its own defence to the fact that real life shows its individual departments to have thousands of inter-relationships, so that the welfare of the individual is inseparably bound up with that of his environment, his family, his home, his state; and that therefore, in order to prosper himself, his endeavour must be for the good of these also. It may even serve his own interest to give up a direct advantage in favour of a greater indirect one. Further, Naturalism is able to assert that, however little the inner disposition of others may affect us directly, this disposition can acquire a value for us in so far as its persistence alone assures to us a continuance of achievement. As considerations of this kind may be extended without limit, there is nothing in the whole breadth of existence which the utilitarian view of life need reject. But, in the midst of all this extension in breadth, this development of life retains a fixed limitation in its inner nature, which cannot be transcended: we can never strive for the alien, the other, the whole, for its own sake, but only as a means for our own welfare; everything inward becomes a matter of indifference if, sooner or later, it is not transformed into an external result. Human life, however, through its own development has grown beyond this limitation; if not in the breadth of existence, yet in its inner nature and at its highest, it manifests something significantly more. Man is capable of a love which values another, not because it hopes for this or that which is useful from him, but because with the whole of his existence he is valuable to it. Man is capable of a love which can lead him to the willing subordination, indeed the joyful sacrifice, of his own existence; of a love in which the first self dies and a new self is born. "Love is the greatest of all contradictions, and one which the understanding cannot solve, since there is nothing more impenetrable than this individuality of self-consciousness, which is negated, and which yet I should retain as positive" (Hegel). Into what a state of poverty humanity would fall if a genuine love of this kind were struck out of the number of its possessions! But can Naturalism in any way understand and estimate such an inner expansion of the heart, such a _Stirbe und Werde_ [a dying to live], to use the words of Goethe?