Augustine of Hippo

"But mine enemies live" [Psalm 38:19]. They are well off: they rejoice in worldly prosperity, while I am suffering, and "roaring with the groaning of my heart." In what way do His enemies "live," in that He has said of them already, that they have "spoken vanity"? Hear in another Psalm also: "Whose sons are as young plants; firmly rooted." But above He had said, "Whose mouth speaks vanity. …

Exposition on Psalm 38 ↗

Ambrose of Milan

My enemies, he says, are alive and they have become strong against me; and they have multiplied, those who hate me unjustly. They repay evil for good, they spoke ill of me; because I pursued justice. But how much more illustrious was he, who died daily, so that he might give life to his people: and he offered his body to the wounds of death; as he himself says: In deaths often (2 Corinthians 11:23)! …

Commentaries on the Twelve Davidic Psalms ↗

Thomas Aquinas

"But my enemies live," etc. Here is set forth the reason for mercy, namely the prosperity of enemies; and he sets forth the cause regarding three things. First, regarding the stability of their heart, at "they live." Second, regarding the magnitude of their power, at "and they are strengthened." Third, regarding their multitude, at "and they are multiplied." He says therefore, "My enemies live." And he continues thus. …

Exposition on the Psalms of David ↗