Being and Time raises the problem of "authenticity," that is, the potentiality or otherwise for mortal "Dasein" to exist "fully" enough that it might actually understand being. Heidegger is clear throughout the book that nothing makes certain that "Dasein" is capable of this understanding. Finally, this question of the authenticity of individual "Dasein" cannot be separated from the "historicality" of "Dasein". On the one hand, "Dasein", as mortal, is "stretched along" between birth and death, and thrown into its world, that is, thrown into its "possibilities", possibilities which "Dasein" is charged with the task of assuming. On the other hand, "Dasein's" access to
Nietzsche: Philosopher, Psychologist, Antichrist 1974. In 2013 an edition with a new foreword by the philosopher Alexander Nehamas was published. "Nietzsche: Philosopher, Psychologist, Antichrist" was reviewed by Chris Terry in "Times Higher Education". The book was also discussed by the philosopher Richard Rorty in "The New Republic". Rorty described the book as "path-breaking", but wrote that it had been superseded by the philosopher Richard Schacht's "Nietzsche" (1983), which in Rorty's view was more comprehensive, better organized and more helpful to readers who were new to Nietzsche and needed help in understanding the apparent contradictions in Nietzsche's views. "Nietzsche: Philosopher, Psychologist, Antichrist" received positive reviews