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
William Wallace (philosopher) Sciences". It was still regarded as "the most masterly and influential of all English translations of Hegel" when it was republished in 1975. The translation was accomplished in a free and creative style accompanied by extensive explanatory notes on the text, drawing parallels between the philosophy of Hegel and classical figures such as Plato and Aristotle. He published "Epicurean Philosophy" in 1880, tracing the origins of Epicureanism and highlighting the links between the life of Epicurus and the philosophy that he espoused. Wallace's "Kant" (1882), part of Blackwood's Philosophical Classics series, portrayed the German philosopher as engaged in a dialogue