以西结书 4:3

又要拿个铁鏊，放在你和城的中间，作为铁墙。你要对面攻击这城，使城被困；这样，好作以色列家的预兆。

Moreover take thou unto thee an iron pan, and set it for a wall of iron between thee and the city: and set thy face against it, and it shall be besieged, and thou shalt lay siege against it. This shall be a sign to the house of Israel.