Capital' is not what capital is called, it is what its name is called.

There is no such thing as a normal period of history. Normality is a fiction of economic textbooks.

Voltaire remarked that it is possible to kill a flock of sheep by witchcraft if you give them plenty of arsenic at the same time. The sheep, in this figure, may well stand for the complacent apologists of capitalism; Marx's penetrating insight and bitter hatred of oppression supply the arsenic, while the labour theory of value provides the incantations.

owning capital is not a productive activity.

It is the rate of investment which governs the rate of saving, and not vice versa.

The fundamental differences between Marxian and traditional orthodox economics are, first, that the orthodox economists accept the capitalist system as part of the eternal order of Nature, while Marx regards it as a passing phase in the transition from the feudal economy of the past to the socialist economy of the future.

Economic theorists should not make such a production about taking a rabbit out of a hat after having put the rabbit into the hat in full view of the audience.