Daniel 6:12 KJ21

[12] Then they came near, and spoke before the king concerning the king's decree: "Hast thou not signed a decree, that every man that shall ask a petition of any god or man within thirty days, except of thee, O king, shall be cast into the den of lions?" The king answered and said, "The thing is true, according to the law of the Medes and Persians, which altereth not."