III. Even the houses of state, and those of strength, shall become as wildernesses (v. 13); not only grass shall grow, but thorns shall come up, in her palaces, nettles and brambles in the fortresses thereof, and there shall be none to cut them up or tread them down. We sometimes see ruined buildings thus overgrown with rubbish. It intimates that the place shall not only be uninhabited and unfrequented where a full court used to be kept, but that it shall be under the curse of God; for thorns and thistles were the production of the curse, Gen. iii. 18.