'Written' in the Bible
Now let the king issue a written interdict so that it cannot be altered, according to the law of the Medes and Persians, which cannot be changed.
When Daniel realized that a written decree had been issued, he entered his home, where the windows in his upper room opened toward Jerusalem. Three times daily he was kneeling and offering prayers and thanks to his God just as he had been accustomed to do previously.
Just as it is written in the law of Moses, so all this calamity has come on us. Still we have not tried to pacify the LORD our God by turning back from our sin and by seeking wisdom from your reliable moral standards.
However, I will first tell you what is written in a dependable book. (There is no one who strengthens me against these princes, except Michael your prince.
"At that time Michael, the great prince who watches over your people, will arise. There will be a time of distress unlike any other from the nation's beginning up to that time. But at that time your own people, all those whose names are found written in the book, will escape.