Deuteronomy 10:4
And he wrote on the tables, according to the first writing, the ten commandments, which the LORD spake unto you in the mount out of the midst of the fire in the day of the assembly: and the LORD gave them unto me.
Deuteronomy 31:24
And it came to pass, when Moses had made an end of writing the words of this law in a book, until they were finished,