The Kingdom of God is Within You by Leo Tolstoy Chapter 2 Page 12

wicked from the good unfailingly, even then it would be impossible to kill or injure or shut up in prison these wicked men, because there would be no one in a Christian society to carry out such punishment, since every Christian, as a Christian, has been commanded to use no force against the wicked.

The third kind of answer, still more subtle than the preceding, consists in asserting that though the command of non-resistance to evil by force is binding on the Christian when the evil is directed against himself personally, it ceases to be binding when the evil is directed against his neighbors, and that then the Christian is not only not bound to fulfil the commandment, but is even bound to act in opposition to it in defense of his neighbors, and to use force against transgressors by force.