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
New Testament phraseology, and other evidence, modern scholarship generally concludes that Acts and the Gospel of Luke share the same author, referred to as Luke–Acts. Luke-Acts does not name its author. Church tradition identified him as Luke the Evangelist, the companion of Paul, but the majority of scholars reject this due to the many contradictions between Acts and the authentic Pauline letters. The most probable date of composition is around 80–100 AD, and there is evidence that it was still being substantially revised well into the 2nd century. The epistles of the New Testament are considered by Christians to be divinely inspired