The ideal explained in the Stoical philosophy is the most complete development of practical reason in the true and genuine sense of the word; it is the highest summit to which man can attain by the mere use of his reason, and in it his difference from the brutes shows itself most distinctly.
Arrazoimen praktikoaren garapenik perfektuena, gailur goren hitzaren zentzu egiazko eta benetakoan, zeinara gizakia bere arrazoimenaren erabilera hutsaren bitartez irits bataiteke eta, zeinean animaliarekiko bere desberdintasuna argiroen agertzen baita, jakitun estoikoan dago ideal gisa aurkezturik.