The Kingdom of God is Within You by Leo Tolstoy Chapter 10 Page 58

cease to be robbers, it will not be from fear of punishment (indeed, that invests the crime with additional charm for youth), but through a change in the moral standard of public opinion. It is the same with all other crimes. Force can never suppress what is sanctioned by public opinion. On the contrary, public opinion need only be in direct opposition to force to neutralize the whole effect of the use of force. It has always been so and always will be in every case of martyrdom.

What would happen if force were not used against hostile nations and the criminal elements of society we do not know. But we do know by prolonged experience that neither enemies nor criminals have been successfully suppressed by force.

And indeed how could nations be subjugated by violence who are led by