'Hold Your Peace' in the Bible

the children of the Prophets that were at Bethel came out to Elisha and said to him, "Knowest thou not how that the LORD will take away thy master from thee this day?" And he said, "I know it too; hold your peace."

And the children of the Prophets that were at Jericho came to Elisha and said unto him, "Art thou not aware that the LORD will take away thy master from thee this day?" And he answered, "I know it also; hold your peace."