John Gills Exposition of the Bible Commentary - Ezekiel 21:30
Shall I cause it to return into his sheath ?.... The drawn and furbished sword of the Chaldeans? no, I will not; it shall never return or be put up until the Ammonites are utterly consumed. Some read these words in the imperative, as the Targum, "return the sword to its sheath;' so the Vulgate Latin version, "return to thy sheath"; and so may be considered as a direction to the Ammonites to put up their swords, and not stand in their own defence, since it would be to no purpose; though... read more
Matthew Henry's Complete Commentary - Ezekiel 21:28-32
The prediction of the destruction of the Ammonites, which was effected by Nebuchadnezzar about five years after the destruction of Jerusalem, seems to come in here upon occasion of the king of Babylon's diverting his design against Rabbath, when he turned it upon Jerusalem. Upon this the Ammonites grew very insolent, and triumphed over Jerusalem; but the prophet must let them know that forbearance is no acquittance; the reprieve is not a pardon; their day also is at hand; their turn comes... read more