David
Psalm 19:2ESV·traditional attribution

Day to day pours out speech, and night to night reveals knowledge.

John Calvin Reformed @genevareformer

PSALM 19 To the chief musician. A song of David. David, with the view of encouraging the faithful to contemplate the glory of God, sets before them in the first place, a mirror of it in the fabric of the heavens, and in the exquisite order of their workmanship which we behold; and in the second place, he recalls our thoughts to the Law, in...

Commenting on Psalm 19:1-14

C.H. Spurgeon Reformed Baptist @princeofpreachers

"Day unto day uttereth speech, and night unto night sheweth knowledge." As if one day took up the story where the other left it, and each night passed over the wondrous tale to the next. The original has in it the thought of pouring out or welling over, with speech; as though days and nights were but as a fountain flowing evermore with Jehovah's praise.

Matthew Henry Presbyterian @wholebiblehenry

From the things that are seen every day by all the world the psalmist, in these verses, leads us to the consideration of the invisible things of God, whose being appears incontestably evident and whose glory shines transcendently bright in the visible heavens, the structure and beauty of them, and the order and influence of the heavenly bodies.

Commenting on Psalm 19:1-6