Isaiah 2:21

In order to ^ago into the caverns of the rocks and the clefts of the cliffs

Before the dread of Yahweh and the splendor of His majesty,

When He arises to make the earth tremble.

Revelation 6:15

15 Then ^athe kings of the earth and the great men and the ¹commanders and the rich and the strong and every slave and free man ^bhid themselves in the caves and among the rocks of the mountains;