Paul’s lasting legacy consists of the letters he wrote to churches and individuals. Thirteen letters—from Romans through Philemon—bear his name and form a major part of the New Testament. (Although it is sometimes credited to him, the authorship of Hebrews is unknown.) Paul, the missionary-pastor-theologian, wrote more books of the Bible than any other writer. Paul’s letters changed the course of history. When Martin Luther read, “It is through faith that a righteous person