Being and Time to identify the criteria or conditions by which any specific entity can show up at all (see world disclosure). If we grasp Being, we will clarify the meaning of being, or "sense" of being ("Sinn des Seins"), where by "sense" Heidegger means that "in terms of which something becomes intelligible as something." Presented in relation to the quality of knowledge, according to Heidegger, this sense of being precedes any notions of how or in what manner any particular being or beings exist, and is thus pre-scientific. Thus, in Heidegger's view, the question of the meaning of being would be an
Being in itself 'Being in itself' to be at the same time the most vague and general concept possible to contemplate, but also the topic of greatest interest to him as a philosopher. In Sartrean existentialism, being-in-itself ("être-en-soi") is also contrasted with the being of persons, which he describes as a combination of, or vacillation or tension between, being-for-itself ("être-pour-soi") and being-for-others ("I'être-pour-autrui"). Being-in-itself refers to objects in the external world — a mode of existence that simply is. It is not conscious so it is neither active nor passive and harbors no potentiality for transcendence. This mode of being is relevant to