The false evaluative beliefs make the confused mind unstable and changing and its feverish excitement leads to disease (Greek nose ¯ ma, Latin morbus) and infirmity (Greek arro ¯ ste ¯ ma, Latin aegrotatio). 175 Cicero does not see any great difference between these terms as applied to the soul (4.29). He says that aegrotatio was applied by the Stoics to persistent and deeply rooted false convictions about what one should desire or shun (4.26).