The Kingdom of God is Within You by Leo Tolstoy Chapter 10 Page 55

life cannot be established without the use of violence, because there are savage races outside the pale of Christian societies in Africa and in Asia (there are some who even represent the Chinese as a danger to civilization), and that in the midst of Christian societies there are savage, corrupt, and, according to the new theory of heredity, congenital criminals. And violence, they say, is necessary to keep savages and criminals from annihilating our civilization.

But these savages within and without Christian society, who are such a terror to us, have never been subjugated by violence, and are not subjugated by it now.

Nations have never subjugated other nations by violence alone. If a nation which subjugated another was on a lower level of civilization, it has never happened