The quotation posted yesterday:
“Nothing is easier than to give Christian asceticism a Socialist tinge. Has not Christianity declaimed against private property, against marriage, against the state? Has it not preached in the place of these, charity and poverty, celibacy and mortification of the flesh, monastic life and Mother Church? Christian Socialism is but the holy water with which the priest consecrates …”
Source: Karl Marx and Friedrich Engels, The Communist Manifesto, Part 4, Section 1a.