Augustine of Hippo

"In You, O Lord, have I trusted, let Me not be put to confusion for ever" [Psalm 31:1]. In You, O Lord, have I trusted, let Me never be confounded, while they shall insult Me as one like other men. "In Your righteousness rescue Me, and deliver Me." And in Your righteousness rescue Me from the pit of death, and deliver Me out of their company.

Exposition on Psalm 31 ↗

Thomas Aquinas

Above, the prophet recounted tribulations, benefits of God, his prayer, his confidence, and his thanksgiving; but here he sets forth the entire order of his liberation. The title is: "To the end, a Psalm of David, for an ecstasy." Jerome does not have "for an ecstasy," nor do the Hebrews; and perhaps the Septuagint added it on account of what is said below, "in an excess." For "ecstasy" in Greek is called "excess" in Latin, which is of the mind, namely when a man is placed outside himself. …

Exposition on the Psalms of David ↗

Bonaventure

It is good to have the sign of Zabulon, which is "a dwelling of fortitude," which implies the first stability. "Because Thou, O Lord, art my hope." Hence, "the name of the Lord is a strong tower; the just man runs to it and is safe." He alone is at peace who fixes himself upon that "with which there is no change, no shadow of alteration." Hence, "in Thee, O Lord, have I hoped, let me never be confounded."

Collations on the Hexaemeron, Collation 23 ↗