Contemporary Left Hegelians treat Hegel’s doctrine that reason is active in history as the claim that free thought, through the thinking of individuals, is history’s internal cause. Conservatives, in contrast, attacked Hegel’s conception of evolving reason, for undermining the political order (Moggach 2013). But for Skorupski, Hegel holds that free thought or natural reason must be mediated by entrenched institutions of intellectual and spiritual authority: for Aquinas, the Church, for Hegel, a