The paper discusses the analysis of the ready-to-hand in M. Heidegger‘s Being and Time. The proposed construal of this existentiale seeks to take into account the whole context of the work as well as the whole context of its author’s thought extending beyond the scope of this work. It seeks to demonstrate that the essential moments characteristic of the later thinking of Being have been implied already in the passages of Being and Time. It is also emphasized that the analysis of the ready-to-hand points directly to the horizon of the provenance of Plato’s and Aristotle’s basic concepts. Thus, in addition to the existential one, the paper reveals the epistemological and ontological dimensions of Being and Time that have been brought to clear...