It is better to wage war with hope of eternal peace than servitude without hope of liberation.
(De Civ. Dei XXI, 15)
Man was not created as an irrational animal bent toward the earth but, erect in stature, a reminder to look above.
(De Civ. Dei XXII, 24, 4)
No one is able to reach God without flying over oneself.
(In Io. Ev. XX, 8)