The Kingdom of God is Within You by Leo Tolstoy Chapter 4 Page 55

The necessity of extending the sphere of love is beyond dispute. But in reality the possibility of this love is destroyed by the necessity of extending its object indefinitely. And thus the insufficiency of personal human love is made manifest. And here the advocates of Positivist, Communistic, Socialistic fraternity propose to draw upon Christian love to make up the default of this bankrupt human love; but Christian love only in its results, not in its foundations. They propose love for humanity alone, apart from love for God.

But such a love cannot exist. There is no motive to produce it. Christian love is the result only of the Christian conception of life, in which the aim of life is to love and serve God.

The social conception of life has led men, by a natural transition from love