Daniel 6:15
Then these men assembled to the king, and said to the king, Know, O king, that the law of the Medes and Persians is, That no decree nor statute which the king establisheth may be changed.
Esther 8:8
Write ye also for the Jews, as it pleaseth you, in the king's name, and seal it with the king's ring: for the writing which is written in the king's name, and sealed with the king's ring, no man may reverse.
Daniel 6:12
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, save 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.
Psalm 94:20-21
Shall the throne of iniquity have fellowship with thee, which frameth mischief by a law?
Daniel 6:8
Now, O king, establish the decree, and sign the writing, that it may not be changed, according to the law of the Medes and Persians, which altereth not.