The individual being thus disappears into a system that transcends him and brings together conditions, factors, forces, and makes room for each;the explanation not only seeks to clarify ti Bounóuevos ("with what in view") an individual acts, but rôs eikós ("as a result of what normal sequence of events") he is led to act in such a way and to experience some success.Therefore the sense of plausibility and rigor that the work presents is explained, doubly, by the bias for unity that animates it from beginning to end. This bias gives to specific sequences an unfailing mechanical rigor.Moreover, it allows us to discover, beneath individual acts, the existence of