The Kingdom of God is Within You by Leo Tolstoy Chapter 12 Page 35

One need but reflect on the unceasing, persistent struggle of all to better their material position, which is the guiding motive of men of the present day, to be convinced that the advantages of the rich over the poor could never and can never be maintained by anything but force.

There may be cases of oppression, of violence, and of punishments, though they are rare, the aim of which is not to secure the privileges of the propertied classes. But one may confidently assert that in any society where, for every man living in ease, there are ten exhausted by labor, envious, covetous, and often suffering with their families from direct privation, all the privileges of the rich, all their luxuries and superfluities, are obtained and maintained only by tortures, imprisonment, and murder.