Chastity, or cleanness of heart, holds a glorious and distinguished place among the virtues, because she, alone, enables man to see God; hence Truth itself said, 'Blessed are the clean of heart, for they shall see God.'
Humility is the foundation of all the other virtues hence, in the soul in which this virtue does not exist there cannot be any other virtue except in mere appearance.
I have read in Plato and Cicero sayings that are wise and very beautiful; but I have never read in either of them: Come unto me all ye that labor and are heavy laden.