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
Christian Wolff (philosopher) This includes a volume that unites the three most important older biographies of Wolff. An excellent modern edition of the famous Halle speech on Chinese philosophy is: Christian Wolff (philosopher) Christian Wolff (less correctly Wolf, ; also known as Wolfius; ennobled as Christian Freiherr von Wolff; 24 January 1679 – 9 April 1754) was a German philosopher. Wolff was the most eminent German philosopher between Leibniz and Kant. His main achievement was a complete "oeuvre" on almost every scholarly subject of his time, displayed and unfolded according to his demonstrative-deductive, mathematical method, which perhaps represents the peak of Enlightenment rationality