Unde haud iniuria tuorum quidam familiarium quaesiuit: 'si quidem deus', inquit, 'est, unde mala? Bona uero unde, si non est?' - Boethius

Tu quoque falsa tuens bona prius
incipe colla iugo retrahere:
Vera dehinc animum subierint.

Thou seest, then, in what foulness unrighteous deeds are sunk, with what splendour righteousness shines. Whereby it is manifest that goodness never lacks its reward, nor crime its punishment.

Music is associated not only with speculation but with morality. When rhythms and modes reach an intellect through the ear, they doubtless affect and reshape that mind according to their particular character.