Marx set out to resolve the contradictions and to correct the errors in classical political economy. In this he thought he had succeeded very well. Judging by the sound and the fury of the controversy surrounding his interpretations, he either succeeded too well or deluded himself to the success of his enterprise.

The ultimate Form of devaluation is military confrontation and global war.

The capacity to transform itself from the inside makes capitalism a somewhat peculiar beast - chameleon-like, it perpetually changes it colour; snake-like, it periodically sheds its skin.

Perpetual revolutions in technology can mean the devaluation of fixed capital on an extensive scale.

Capitalism will never fall on its own. It will have to be pushed. The accumulation of capital will never cease. It will have to be stopped. The capitalist class will never willingly surrender its power. It will have to be dispossessed.

But planned obsolescence is possible only if the rate of technological change is contained.

There's a difference between an outburst of spontaneous anger, which doesn't have a political objective, and a more measured response that we saw in the Occupy Wall Street movement.