Êxodo 15
Ambrose of Milan · Comentário Patrístico (catena)
Êxodo 15:10
Moses himself says in his song, "You sent your Spirit, and the sea covered them." You observe that even then holy baptism was prefigured in that passage of the Hebrews, wherein the Egyptian perished, the Hebrew escaped. For what else are we daily taught in this sacrament but that guilt is swallowed up and error done away, but that virtue and innocence remain unharmed? — On the Mysteries 3.12
Êxodo 15:20
And Miriam taking the timbrel led the dances with maidenly modesty. But consider whom she was then prefiguring. Was she not a type of the church, who as a virgin with unstained spirit joins together the religious gatherings of the people to sing divine songs? — Concerning Virginity 1.3.12
Êxodo 15:25
Marah was a fountain of most bitter water. Moses cast wood into it and it became sweet. For water without the preaching of the cross of the Lord is of no avail for future salvation. But after it has been consecrated by the mystery of the saving cross, it is made suitable for the use of the spiritual laver and of the cup of salvation. As then Moses, that is, the prophet, cast wood into that fountain, so too the priest utters over this font the proclamation of the Lord's cross, and the water is made sweet for the purpose of grace. — On the Mysteries 3.14