# all that was written ... Psalms must be fulfilled
"God would fulfill all that was written ... Psalms" or "God would cause all that was written ... Psalms to happen"
# all that was written in the law of Moses and the Prophets and the Psalms
The words "law of Moses," "the Prophets," and "the Psalms" are parts of the Hebrew Bible. Alternate translation: "all that Moses wrote in the law, all that the prophets wrote, and all that the writers of the Psalms wrote about me"