He builds his house like a moth’s, like a booth that a watchman makes.
Job's friends had seen a great deal of the misery and destruction that attend wicked people, especially oppressors; and Job, while the heat of disputation lasted, had said as much, and with as much assurance, of their prosperity; but now that the heat of the battle was nearly over he was willing to own how far he agreed with them, and where the difference between his opinion and theirs lay.
Commenting on Job 27:11-23
The rich man shall lie down, but he shall not be gathered,.... That is, the wicked rich man; and the sense is, either he shall lie down upon his bed, but shall not be gathered to rest, shall get no sleep, the abundance of his riches, and the fear of losing them, or his life for them, will not suffer him to compose himself to...
(Job 8:14; Job 4:19). The transition is natural from "raiment" (Job 27:16) to the "house" of the "moth" in it, and of it, when in its larva state. The moth worm's house is broken whenever the "raiment" is shaken out, so frail is it. booth--a bough-formed hut which the guard of a vineyard raises for temporary shelter (Isa 1:8).