According to Heidegger, the meaning of being and its "original truth" (Alétheia) were first thought about by the pre-Socratic philosopher Parmenides. For him, Parmenides was one of the main thinkers - next to Heraclitus - to meditate on the being of man (dasein). However, after this auroral moment in philosophy, thought went into a kind of hiding or wandering with regard to the search for the original meaning of being. Thus, from the philosophy of Plato to Nietzsche, the meaning of "being" fell into a kind of oblivion. However, Heidegger points to poetic saying as a way of saving us from the danger of forgetting the meaning of being. To this end, the thinker reveals that poetry opens up the possibility of unveiling being, because to be-in-the-world is to enable the opening that unveils. This opening is possible to the extent that one poeticizes. Poetizing is making things appear. In this sense, the purpose of this work is to explore the Heideggerian question of how it is possible, through "poetic saying", to think of language as what safeguards and makes possible the opening and unveiling of being.