To the believer Marxism presents, first, a system of ultimate ends that embody the meaning of life and are absolute standards by which to judge events and actions.
Joseph A. SchumpeterAll we can thus far say about the duration of the units of [the business cycle] and each of [its] two phases is that it will depend on the nature of the particular innovations that carry a cycle,... and the financial conditions and habits prevailing in the business community in each case.
Joseph A. Schumpeter