Being and Time mentioned in "Being and Time", has been identified by some with Heidegger's central notion of "Sorge" ("cura", care or concern). However, for Heidegger, "theoretical" knowledge represents only one kind of intentional behaviour, and he asserts that it is grounded in more fundamental modes of behaviour and forms of practical engagement with the surrounding world. Whereas a theoretical understanding of things grasps them according to "presence," for example, this may conceal that our first experience of a being may be in terms of its being "ready-to-hand." Thus, for instance, when someone reaches for a tool such as a hammer, their understanding
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 Rorty described the book as "path-breaking", but wrote that it had been superseded by the philosopher Richard Schacht's "Nietzsche" (1983), which in Rorty's view was more comprehensive, better organized and more helpful to readers who were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