Sometimes it is difficult to overcome the sense of vertigo and exhaustion that arises in those moments when the inexhaustible vastness of the fields of literature and the social sciences seems to reveal itself. A single interesting read puts five, ten others on the waiting list, which multiply into another twenty or thirty, leaving the poor student on his knees before the impossibility of reading them all at once or, worse, before the justified expectation of a new exponential surge. But then, driven by necessity, he has to return to those old principles: the first, which teaches him to value the moment; the second, which recommends starting with what is most important. After all, he experiences the relief that, for the rest of his life, he will have worthy company.