He hath swallowed down riches, and he shall vomit them up again: God shall cast them out of his belly. He shall vomit them up again - This is also an allusion to an effect of most ordinary poisons; they occasion a nausea, and often excruciating vomiting; nature striving to eject what it knows, if retained, will be its bane.
Related Commentaries of Job 20:15
Job 20:15
15 He hath swallowed down riches, and he shall vomit them up again: God shall cast them out of his belly.