David
Psalm 114:2ESV·traditional attribution

Judah became his sanctuary, Israel his dominion.

John Calvin Reformed @genevareformer

PSALM 114 This psalm contains a short account of that deliverance by which God, in bringing his people out of Egypt: and conducting them to the promised inheritance, gave a proof of his power and grace which ought to be held in everlasting remembrance.

Commenting on Psalm 114:1-8

C.H. Spurgeon Reformed Baptist @princeofpreachers

Judah was his sanctuary, and Israel his dominion. The pronoun "his" comes in where we should have looked for the name of God; but the poet is so full of thought concerning the Lord that he forgets to mention his name, like the spouse in the Song, who begins, "Let him kiss me, "or Magdalene when she cried, "Tell me where thou hast laid him."...

Matthew Henry Presbyterian @wholebiblehenry

The psalmist is here remembering the days of old, the years of the right hand of the Most High, and the wonders which their fathers told them of (Jdg 6:13), for time, as it does not wear out the guilt of sin, so it should not wear out the sense of mercy. Let it never be forgotten, I.

Commenting on Psalm 114:1-8