In this paper, I seek to understand as the result of a study about movement, from the point of view of Aristotle, the nexus between body and soul, as it is established in the treatise ‘On the Soul’ (De anima). I’ve study the reasons that leads Aristotle to support that soul does not move, exactly because this is the principle of movement. At denying that the soul is itself a living being, the stagirita puts himself in a critical posture about the Plato’s Phaedo dialogue, openning a way to phylosofic consideration about the living body and it’s functionality. In the function (érgon) or work to make, in your be able of this work, resides the specificity of the living being that may not to pass to the act. The difference between a living and a...