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
Robert Zimmer (philosopher) than a dozen languages (not yet in English). In 2010 he published a biography of Arthur Schopenhauer. He also translated a selection of essays by the 19th Century French critic and writer Charles Augustin Sainte-Beuve. Zimmer is a follower of Critical rationalism. Together with Martin Morgenstern he wrote a short and popular biography of Karl Popper and edited the correspondence between Karl Popper and Hans Albert. Robert Zimmer (philosopher) Robert Zimmer (born October 25, 1953 in Trier, Germany) is a German philosopher and essayist who writes biographies and popular introductions to philosophy and to the history of philosophy. Robert Zimmer