David
Psalm 7:17ESV·traditional attribution

I will give to the LORD the thanks due to his righteousness, and I will sing praise to the name of the LORD, the Most High.

John Calvin Reformed @genevareformer

PSALM 7 David, loaded with unjust calumny, calls upon God to be his advocate and defender, and commits his innocence to the Divine protection. In the first place, he protests that his conscience did notaccuse him of the wickedness laid to his charge. Secondly, he shows how greatly it concerns the glory of God that he should execute judgment against the ungodly.

Commenting on Psalm 7:1-17

C.H. Spurgeon Reformed Baptist @princeofpreachers

We conclude with the joyful contrast. In this all these Psalms are agreed; they all exhibit the blessedness of the righteous, and make its colours the more glowing by contrast with the miseries of the wicked. The bright jewel sparkles in a black foil. Praise is the occupation of the godly, their eternal work, and their present pleasure.

Matthew Henry Presbyterian @wholebiblehenry

David having lodged his appeal with God by prayer and a solemn profession of his integrity, in the former part of the psalm, in this latter part does, as it were, take out judgment upon the appeal, by faith in the word of God, and the assurance it gives of the happiness and safety of the righteous and the certain destruction of wicked people that continue impenitent. I.

Commenting on Psalm 7:10-17