Daniel 6:15

Then these men came by agreement to the king and said to the king, “Recognize, O king, that it is a law of the Medes and Persians that no injunction or statute which the king establishes may be changed.”

Esther 8:8

Now you write to the Jews as you see fit, in the king’s name, and seal it with the king’s signet ring; for a decree which is written in the name of the king and sealed with the king’s signet ring may not be revoked.”

Daniel 6:12

Then they approached and spoke before the king about the king’s injunction, “Did you not sign an injunction that any man who makes a petition to any god or man besides you, O king, for thirty days, is to be cast into the lions’ den?” The king replied, “The statement is true, according to the law of the Medes and Persians, which may not be revoked.”

Psalm 94:20-21

Can a throne of destruction be allied with You,
One which devises mischief by decree?

Daniel 6:8

Now, O king, establish the injunction and sign the document so that it may not be changed, according to the law of the Medes and Persians, which may not be revoked.”

Treasury of Scripture Knowledge

Summary

Then these men assembled unto the king, and said unto 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.

Bible References

Know

Daniel 6:8
Now, O king, establish the injunction and sign the document so that it may not be changed, according to the law of the Medes and Persians, which may not be revoked.”
Esther 8:8
Now you write to the Jews as you see fit, in the king’s name, and seal it with the king’s signet ring; for a decree which is written in the name of the king and sealed with the king’s signet ring may not be revoked.”
Psalm 94:20
Can a throne of destruction be allied with You,
One which devises mischief by decree?