Augustine of Hippo

"I said in my ecstasy" [Psalm 31:22]. Whence that people again speaking says, I said in my fear, when the heathen were raging horribly against me. "I have been cast forth from the sight of Your eyes." For if You had regard to me, You would not suffer me to endure these things. "Therefore You heard, O Lord, the voice of my prayer, when I cried unto You." Therefore putting a limit to correction, and showing that I have part in Your care, You heard, O Lord, the voice of my prayer, when I raised it high out of tribulation.

Exposition on Psalm 31 ↗

Thomas Aquinas

Second, when he says, "Therefore you have heard," he presents the answer to prayer; as if to say, therefore, because I said this, "you have heard": Ps. 10: "He has had regard for the prayer of the humble." So the publican in Lk. 18, because he acknowledged himself a sinner, went down to his house justified: Sir. 35: "The prayer of him who humbles himself shall pierce the clouds." Or, according to Jerome, it is put interrogatively: "I said," and so on. Will you therefore not hear? …

Exposition on the Psalms of David ↗

Hippolytus of Rome

The mercy of God is not so "marvellous" when it is shown in humbler cities as when it is shown in "a strong city," and for this reason "God is to be blessed."

Fragments from Commentaries on Various Books of Scripture - On Psalm XXXI. 22 ↗