Existential trash talking.

Four years later, Sartre, confronted by Camus’ now burgeoning reputation, took his quiet revenge in a 20-page review of The Outsider and The Myth of Sisyphus. So while praising the works’ literary qualities, he was dismissive of their theoretical value: ‘M. Camus has the affectation of quoting the works of Jaspers, Heidegger, Kierkegaard, without, however, fully understanding them.’