Augustine of Hippo

"Teach me to do Your will, for You are my God" [Psalm 143:10]. Glorious confession! glorious rule! "For Thou," says he, "art my God." To another will I hasten to be re-made, if by another I was made. You are my all, "for You are my God." Shall I seek a father to get an inheritance? "You are my God," not only the Giver of mine inheritance, but mine Inheritance itself. "The Lord is the portion of mine inheritance." Shall I seek a patron, to obtain redemption? "You are my God." Lastly, having been created, do I desire to be re-created? …

Exposition on Psalm 143 ↗

Jerome

Your good Spirit shall lead me into the right land. Here the most impious Arians set before us and say: 'Good Master, what good shall I do, that I may be saved? And he says: Why do you call me good? No one is good, except God alone.' Therefore if the Son is not good, but the Father is, the Father is greater than the Son. Therefore according to your reasoning, most impious Arian, who is greater, the Son or the Holy Spirit? You certainly say, the Son. Here, then, he says: Your good Spirit shall lead me into the right land. …

Homily 53, on Psalm 142 ↗

Bede

Let us entreat the help of the grace of this Spirit in all our actions, dearly beloved. Let us all, individually and collectively, say to the Lord, "Let your good Spirit lead me in the right way." And so it will come to pass that the one who came down on the apostles and declared to them the things that were to come may disclose also to our minds the joys of the life to come. …

Homilies on the Gospels 2:11 ↗