For divers reasons, the capitalist class lacks this cohesion or solidarity, chief among which is the optimism bred of past success. And, again, the capitalist class is divided; it has within itself a class struggle of no mean proportions, which tends to irritate and harass it and to confuse the situation.
1905 April, Jack London, “(please specify the page)”, in War of the Classes, New York, N.Y.: The Macmillan Company; London: Macmillan & Co., Ltd.