Augustine of Hippo

For we may be sure that the very aim of those who pass over [from Israelite to Christian] is transformed from the old to the new, so that the aim of each is no longer the attainment of material felicity but spiritual happiness. That explains the action of the great prophet Samuel himself, before he had anointed King Saul.Samuel cried out to the Lord on behalf of Israel, and God heard him; and when he offered a whole burnt offering, and the foreigners approached to do battle with the people of God, the Lord thundered over them, and …

City of God 17.7 ↗

Gregory the Dialogist

22. In sacred Scripture, a stone signifies our Lord and Redeemer. A single stone is taken up by Samuel when the strength of the Redeemer is uniquely proclaimed by the preacher of Holy Church. This stone is indeed set up between Mizpah and Sen, because at the departure of life it protects the elect and crushes the reprobate. For Sen means "shaking off." The reprobate have been shaken off, that is, separated from the fellowship of the faithful. …

Commentary on 1 Kings, Book 3, Chapter 5 ↗

Bede

And Samuel took a stone, etc. And indeed we read above of the stone of help, which in Hebrew is called Ebenezer; but there the historian anticipated, whereas here he expresses both the time and the cause of the name being given; which, as a clear type of the Mediator, is rightly called one stone, because there is one Lord Jesus Christ, who justifies the circumcision by faith and the uncircumcision through faith; rightly placed between Masphat and Shen, that is, between the place where the altar of the Lord's cross was erected and the …

Commentary on Samuel ↗