Status Updates From Against the Grain

chapter 14 has 22 pages and 21 notes
what did the editor mean by this?

'the fact is that, pain being one of the consequences of education, in that it grows greater and sharper with the growth of ideas, it follows that the more we try to polish the minds and refine the nervous systems of the under-privileged, the more we shall be developing in their hearts the atrociously active germs of hatred and moral suffering.'