Daniel 6:11-12

The conspirators came and found him praying, asking God for help. They went straight to the king and reminded him of the royal decree that he had signed. “Did you not,” they said, “sign a decree forbidding anyone to pray to any god or man except you for the next thirty days? And anyone caught doing it would be thrown into the lions’ den?” “Absolutely,” said the king. “Written in stone, like all the laws of the Medes and Persians.”