Talk:Parliamentary cretinism

Quick question, where does the Engels quote come from? The link provided gives an unreferenced quote -- so it does not seem to be attributed to any actual work or letter of Engels. So is it invented? — Preceding unsigned comment added by 2001:630:301:9122:D4DA:8291:6D3E:3DCC (talk) 08:09, 23 August 2017 (UTC)