A generous and energising tumble of ideas...he is inventive and penetrating -- Galen Strawson * Financial Times * Like Isaiah Berlin with a thing for sci-fi -- Tibor Fischer * The Spectator * We might believe that we are on a voyage towards a future of perfect freedom, but Gray is here to tell us that we are really only going round in circles, repeating ancient heresies, and retelling old myths in modern cant -- Stephen Cave * Literary Review * Gray must be one of the best read of contemporary philosophers, trawling insouciantly through high-, middle- and low-brow literature with the sharp-eyed eclecticism of a magpie of genius -- John Banville * The Guardian * A brain-twisting meditation on freedom...a brief, elliptical inquiry designed to raise more questions than anyone could answer * Kirkus Reviews *