Bede

I have likened you, my friend, to my horse-drawn chariots of Pharaoh. For indeed, He calls His cavalry the army of the children of Israel, whom He freed from Egyptian bondage, leading them across the Red Sea into the desert, and brought into the land of the inheritance promised long ago, while the chariots of Pharaoh, which pursued them and wanted to drag them back to servitude, were drowned in the same sea. …

Commentary on the Song of Songs ↗

Bernard of Clairvaux

"To my company of horsemen amid Pharaoh's chariots have I likened you, O my love." For a start we are free to infer from these words that the Fathers prefigured the Church, and that the mysteries of our salvation were foreshown to them. The grace of baptism that both saves men and washes sins away, is clearly expressed in the exodus of Israel from Egypt, when the sea performed that twofold marvel of service in providing a passage for the people and taking vengeance on their enemies. …

Sermons on the Song of Songs, Sermon 39 ↗

Robert of Tombelaine

All who serve lust, who serve pride, who serve greed, who serve envy, who serve deceit, are still under the chariot of Pharaoh, that is, under the rule of the devil; but everyone who is fervent in humility, in chastity, in teaching, in charity, has already become a horse of our Creator, has already been placed in the chariot of God, already has God as his rider. Whence to a certain one over whom the Lord presided, it is said: "It is hard for you to kick against the goad" (Acts 9:5). …

Commentary on the Song of Songs, Chapter 1 ↗