Being and Time this world and these possibilities is always via a history and a tradition—this is the question of "world historicality," and among its consequences is Heidegger's argument that "Dasein's" potential for authenticity lies in the possibility of choosing a "hero." Thus, more generally, the outcome of the progression of Heidegger's argument is the thought that the being of "Dasein" is time. Nevertheless, Heidegger concludes his work with a set of enigmatic questions foreshadowing the necessity of a destruction (that is, a transformation) of the history of philosophy in relation to temporality—these were the questions to be taken up in the never
Being and Nothingness of metaphysics which denies or refuses grace inevitably ends by setting up in front of us the image of an atrophied and contradictory world where the better part of ourselves is finally unable to recognise itself." The philosopher Jean Wahl criticized Sartre's arguments about the topic of "nothing". The philosopher Frederick Copleston, writing in "A History of Philosophy" (1946–1986), described Sartre's view that all human actions are the result of free choice as "highly implausible", though he noted that Sartre had ways of defending his position. The British philosopher A.J. Ayer said that, apart from some psychological insights, the book