David
Psalm 79:10BSB·traditional attribution

Why should the nations ask, “Where is their God?” Before our eyes, make known among the nations Your vengeance for the bloodshed of Your servants.

John Calvin Reformed @genevareformer

PSALM 79 This is a complaint and lamentation of the Church when severely afflicted; in which, while the faithful bewail their miserable and, in one sense, undeserved calamities, and accuse their enemies of cruelty, they acknowledge that, in another sense, they have been justly chastised, and humbly betake themselves to the divine mercy.

Commenting on Psalm 79:1-13

C.H. Spurgeon Reformed Baptist @princeofpreachers

"Wherefore should the heathen say, Where is their God?" Why should those impious mouths be filled with food so sweet to them, but so bitter to us? When the afflictions of God's people become the derision of sinners, and cause them to ridicule religion, we have good ground for expostulation with the Lord.

Matthew Henry Presbyterian @wholebiblehenry

The petitions here put up to God are very suitable to the present distresses of the church, and they have pleas to enforce them, interwoven with them, taken mostly from God's honour. I. They pray that God would so turn away his anger from them as to turn it upon those that persecuted and abused them (Psa 79:6): "Pour out thy wrath, the full vials...

Commenting on Psalm 79:6-13