And a stone was brought, and laid upon the mouth of the den; and the king sealed it with his own signet, and with the signet of his lords; that the purpose might not be changed concerning Daniel.
All Commentaries on Daniel 6:17 Go To Daniel 6
George Leo Haydock
AD 1849
Own ring, that none of his enemies might injure Daniel. The nobles also affixed their seal, (Haydock) that the king might not liberate him. (Menochius)
All this shows that aristocracy was mixed with the monarchical form of government. Nothing of importance is done without the nobles.