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
Being and Nothingness Iris Murdoch, writing that continental philosophy shares the same general orientation as English analytic philosophy, compared Sartre's work to the British philosopher Gilbert Ryle's "The Concept of Mind" (1949). According to the philosopher Steven Crowell, "Being and Nothingness" had come to be seen as outdated by the time of Sartre's death in 1980, since, with its emphasis on consciousness, it seemed "tied to the subjectivism and psychologism that structuralism and analytic philosophy had finally laid to rest." The philosopher David Pears, writing in the anthology "Philosophical essays on Freud" (1982), criticized Sartre's critique of Freud, describing it as complex but