The Kingdom of God is Within You by Leo Tolstoy Chapter 7 Page 17

And therefore the oppression of the oppressed always goes on growing up to the furthest limit, beyond which it cannot go without killing the goose with the golden eggs. And if the goose lays no more eggs, like the American Indians, negroes, and Fijians, then it is killed in spite of the sincere protests of philanthropists.

The most convincing example of this is to be found in the condition of the working classes of our epoch, who are in reality no better than the slaves of ancient times subdued by conquest. In spite of the pretended efforts of the higher classes to ameliorate the position of the workers, all the working classes of the present day are kept down by the inflexible iron law by which they only get just what is barely necessary, so that they are forced to work without ceasing while still retaining strength