So I do believe, too, that the anarchist follies of Chicago will do much good. If the present American movement which so far as it is not exclusively German, is still in the Trades Union stage had got a great victory on the 8 hours question, Trades Unionism would have become a fixed and final dogma. While a mixed result will help to show them that it is necessary to go beyond high wages and short hours. 
Letters: Marx-Engels Correspondence 1886