Daniel 6:12

then they have come near, yea, they are saying before the king concerning the king's interdict: ‘Hast thou not signed an interdict, that any man who seeketh from any god and man until thirty days, save of thee, O king, is cast into a den of lions?’ Answered hath the king, and said, ‘The thing [is] certain as a law of Media and Persia, that doth not pass away.’