אליגוריות החוקים, ספר א כ״גAllegorical Interpretation of Genesis, Book I 23
א׳
1[72] “The fourth river,” he says, “is Euphrates.” “Euphrates” means ‘fruitfulness,’ and is a figurative name for the fourth virtue, justice, a virtue fruitful indeed and bringing gladness to the mind. When, then, does it appear? When the three parts of the soul are in harmony. Harmony for them is the dominance of the more excellent; for instance, when the two, the high-spirited and the lustful, are guided by the reasoning faculty as horses by their driver, then justice emerges; for it is justice for the better to rule always and everywhere, and for the worse to be ruled: and the reasoning faculty is better, the lustful and the high-spirited the inferior.
ב׳
2[73] Whenever, on the other hand, high spirit and desire turn restive and get out of hand, and by the violence of their impetus drag the driver, that is the reason, down from his seat and put him under the yoke, and each of these passions gets hold of the reins, injustice prevails. For it cannot but be that owing to the badness and want of skill of the driver, the team is swept down precipices and gullies, just as by experience and skill it must needs be brought safely through.