Nahum
Nahum 1:5ESV·traditional attribution

The mountains quake before him; the hills melt; the earth heaves before him, the world and all who dwell in it.

John Calvin Reformed @genevareformer

Nahum continues still on the same subject, — that when God ascended his tribunal and appeared as the Judge of the world, he would not only shake all the elements, but would also constrain them to change their nature. For what can be less consonant to nature than for mountains to tremble, and for hills to be dissolved or to melt? This is more strange than what we can comprehend.

Matthew Henry Presbyterian @wholebiblehenry

Nineveh knows not God, that God that contends with her, and therefore is here told what a God he is; and it is good for us all to mix faith with that which is here said concerning him, which speaks a great deal of terror to the wicked and comfort to good people; for this glorious description of the Sovereign of the world, like the...

Commenting on Nahum 1:2-8

John Gill Reformed Baptist @doctorgill

The mountains quake at him, and the hills melt,.... As Sinai of old did, when the Lord descended on it, Exo 19:18. Mountains figuratively signify kings and princes; and hills large countries, as Jarchi and Abarbinel observe, and the inhabitants of them; particularly the kingdoms and nations belonging to the Assyrian empire, which would tremble and quake, and their hearts melt with fear, when they...