The Kingdom of God is Within You by Leo Tolstoy Chapter 8 Page 14

resistance to it by force, evident as it was in the early ages of Christianity, becomes still more obvious through the division of the Roman Empire into many states of equal authority, through their hostilities and the internal conflicts that broke out within them.

But men were not ready to accept the solution given by Christ, and the old definitions of evil, which ought to be resisted, continued to be laid down by means of making laws binding on all and enforced by forcible means.

The authority who decided what ought to be regarded as evil and resisted by force was at one time the Pope, at another an emperor or king, an elective assembly or a whole nation. But both within and without the state there were always men to be found who did not accept as binding on themselves the laws given