Augustine of Hippo

Considering all these things, and whatever else the Lord shall have made known to you in this matter, which either does not occur to me or would take too much time to state here, strive in prayer to overcome this world: pray in hope, pray in faith, pray in love, pray earnestly and patiently, pray as a widow belonging to Christ. …

Letter 130 ↗

Gregory the Dialogist

Now the boy is led to the tabernacle with three calves, because for the abundance of spiritual gifts we ought to give thanks to the supreme Trinity. Concerning these calves the prophet beseeching the Lord says: "Take away all iniquity, and receive the good, and we will render the calves of our lips" (Hosea 14:3). As if to say: For the abundance of gifts we will render sacrifices of praise, through the service of our lips. …

Commentary on 1 Kings, Book 1, Chapter 2 ↗

Bede

And she brought him with her, after she had weaned him, etc. The Church brings up her children, to whom she reasonably and without deceit administered milk, and has now advanced them from the rudiments of the new man to more perfect things, having educated them. She brings, I say, those whom the assisting grace of Christ has made strong in understanding to the fellowship of those who have already been made the temple of God through the observance of the divine law. …

Commentary on Samuel ↗