This article by Joel Kalvesmaki highlights the history of the Orthodox Church’s Old Testament canon based on the Septuagint (LXX) and contrasts it to the Protestant Old Testament canon based on the Hebrew (Masoretic) text.
All Scripture is inspired by God and profitable for teaching, for reproof, for correction, for training in righteousness; that the man of God may be adequate, equipped for every good work. (II Tim 3:16)
What Scriptures did St. Paul have in mind when he wrote the above to St. Timothy? Was he referring to the 66 books making up the Bible Evangelicals read today? What exactly did Paul mean by “all?”