"If artistic avant-gardes and social revolutionaries have felt a peculiar affinity for one another ever since, borrowing each other's languages and ideas, it appears to have been insofar as both have remained committed to the idea that the ultimate, hidden truth of the world is that it is something that we make, and could just as easily make differently. In this sense, a phrase like "all power to the imagination" expresses the very quintessence of the Left."