David
Psalm 140:12BSB·traditional attribution

I know that the LORD upholds justice for the poor and defends the cause of the needy.

John Calvin Reformed @genevareformer

PSALM 140 David complains of the implacable cruelty of his enemies, and of their treachery and rancorous calumnies. In the close, having besought God’s help, and expressing his persuasion of obtaining his layout, he comforts himself with the hope of deliverance, and just vengeance being executed upon his enemies. To the chief Musician — A Psalm of David. Psalm 140:1-5 1. Deliver me, O Jehovah!

Commenting on Psalm 140:1-13

C.H. Spurgeon Reformed Baptist @princeofpreachers

I know that the Lord will maintain the cause of the afflicted, and, the right of the poor. All through the Psalm the writer is bravely confident, and speaks of things about which he had no doubt: in fact, no Psalm can be more grandly positive than this protest against slander. The slandered saint knew Jehovah's care for the afflicted, for he had received actual proofs of it himself.

Matthew Henry Presbyterian @wholebiblehenry

Here is the believing foresight David had, I. Of the shame and confusion of persecutors. 1. Their disappointment. This he prays for (Psa 140:8), that their lusts might not be gratified, their lust of ambition, envy, and revenge: "Grant not, O Lord!

Commenting on Psalm 140:8-13