The Kingdom of God is Within You by Leo Tolstoy Chapter 5 Page 5

through which we are passing, from the pagan conception of life to the Christian. The socialized man of the present day is brought by experience of life itself to the necessity of abandoning the pagan conception of life, which is inappropriate to the present stage of humanity, and of submitting to the obligation of the Christian doctrines, the truths of which, however corrupt and misinterpreted, are still known to him, and alone offer him a solution of the contradictions surrounding him.

If the requirements of the Christian doctrine seem strange and even alarming to the man of the social theory of life, no less strange, incomprehensible, and alarming to the savage of ancient times seemed the requirements of the social doctrine when it was not fully understood and could not be foreseen in its results.