The new overpasses the Heideggerian philosophy, in the horizon of its philosophical questioning, as a whole. This shows itself since its studies about the time of Kairos in the Phenomenology of Religion, in the interpretation of the Aristotelian phronesis as understanding of the each time of the factical life, in the approaching of the abyssal character of the human existence in Being and time, in the thought concerned to the notion of origin, in the possibility of instauration of another start in a non-Metaphysical way, with the Ereignis in Contributions to Philosophy, to list few of the several topics that Heidegger developed. From the starting point that being hides itself mostly, these subjects are related with the conception of the truth as an irruption of the Being, an event that occurs through an incisive time. There are many ways for which Heidegger approached the question of Being, but there is one way of thinking the new that remains underlying to all of them, much even so, in a guarded way. The new occurs as an inaugurating abyss in the incisive instant, repeating and anticipating the possibility that remained reserved in the Metaphysics; the task consists of a retrieval of the originary in an appropriation of a leap, so that the oldest one than the old one can be disclosed as the new.