New Testament that Luke the Evangelist, an associate of St. Paul who was probably not an eyewitness to Jesus' ministry, wrote the Gospel of Luke and Acts of the Apostles. Scholars are also divided on the traditional claim that Mark the Evangelist, an associate of St. Peter who may have been an eyewitness to Jesus' ministry, wrote the Gospel of Mark. Scholars are more divided over the traditional claim that Matthew the Apostle wrote the Gospel of Matthew and that John the Apostle wrote the Gospel of John. Opinion, however, is widely divided on this issue and there is no widespread consensus.
New Testament supporting the Trinity doctrine in 1 John to have been a later addition. According to Norman Geisler and William Nix, "The New Testament, then, has not only survived in more manuscripts than any other book from antiquity, but it has survived in a purer form than any other great book—a form that is 99.5% pure" The often referred to Interpreter's Dictionary of the Bible, a book written to prove the validity of the New Testament, says: " A study of 150 Greek [manuscripts] of the Gospel of Luke has revealed more than 30,000 different readings... It is safe to say