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
Rage and Time was "a first step" toward such a thing. "Publishers Weekly" called the book "a brilliant and conceptually rich analysis of the influence of rage on the development of Western culture". The critic continued: "Though frequently hampered by excessive academic jargon and a theoretically questionable oscillation between the non-equivalent notions of Thymos and rage, the book offers a fascinating account of the historical dynamics of social development". The French translation of the book received the Prix européen de l'essai Charles Veillon in 2008. Rage and Time Rage and Time: A Psychopolitical Investigation () is a 2006 book by the German philosopher