Enter into] Spoken, as foretelling, what their state and condition will be in that day, when God shall come to execute judgement, vers. 19. 21. the rock] The holes and clefts of the rocks, vers. 19. 21. Psalms 104:18. Proverbs 30:26. Son 2:14. Revelation 6:15. the dust,] The caves of the earth, vers. 19. Joshua 10:17. Judges 6:2. 1 Samuel 13:6. Job 30:6.