Clement of Rome

Brothers, the Lord of the universe has need of nothing; he requires nothing of anyone, except that confession be made to him. For David, the chosen one, says, "I will confess to the Lord, and it shall please him more than a young bullock with horns and hoofs. Let the poor see it and be glad." And again he says, "Sacrifice to God a sacrifice of praise, and render to the All-High your vows; and call on me in the day of affliction, and I will deliver you, and you shall glorify me." "For a contrite spirit is a sacrifice to God."

1 Clement 52 ↗

Augustine of Hippo

"Poor and sorrowful I am" [Psalm 69:30]. Why this? Is it that we may acknowledge that through bitterness of soul this poor One does speak evil? For He has spoken of many things to happen to them. And as if we were saying to Him, "Why such things?"— "Nay, not so much!" He answers, "poor and sorrowful I am." They have brought Me to want, unto this sorrow they have set Me down, therefore I say these words. It is not, however, the indignation of one cursing, but the prediction of one prophesying. …

Exposition on Psalm 69 ↗

Bonaventure

So does the man who sees God in all things, who tastes God in them through his three powers. "Pleasing to Him be my theme; I will be glad in the Lord." And elsewhere: "For you make me glad, O Lord, by Your deeds." Again: "I will glorify Him with thanksgiving." In all things there is taste and restoration for the intellective and the affective powers. Out of all these fruits there arises the fruit of love and charity which covers them all. For all of Scripture is ordained towards charity.

Collations on the Hexaemeron, Collation 18 ↗