As the Marxians do not admit that differences of opinion can be settled by discussion and persuasion or decided by majority vote, no solution is open but civil war.
The characteristic mark of economic history under capitalism is unceasing economic progress, a steady increase in the quantity of capital goods available, and a continuous trend toward an improvement in the general standard of living.
The shorter work week is entirely a capitalist invention. As capital investment caused the marginal productivity of labor to increase over time, less labor was required to produce the same levels of output.