 Another argument for moral responsibility skepticism, one that makes no appeal at all to determinism or indeterminism, was first introduced by Friedrich Nietzsche (1886 [1992]) and later revived and fleshed out by Galen Strawson (1994, 2011). This argument maintains that free will and ultimate moral responsibility are incoherent concepts, since to be free in the sense required for ultimate moral responsibility we would have to be causa sui (or “cause of oneself”) and this is impossible. Nietzsche, for example, writes: