You do and you don’t need Hebrew to understand the Old Testament. You don’t, because the Bible has already been translated into English. You do, because there are different levels of understanding: There’s your certified mechanic and your weekend...
Martin Luther described the Apocrypha as “books which are not considered equal to the Holy Scriptures, while at the same time . . . are profitable and good to read.” Luther translated these books and included them between the Old and New Testaments...