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 are most often part of an established lectionary (i.e., selected texts to be read at church services on specific days), and (together with an Old Testament reading and a Psalm) include a non-gospel reading from the New Testament and culminate with a Gospel reading. No readings from the Book of Revelation, however, are included in the standard lectionary of the Eastern Orthodox churches. Central to the Christian liturgy is the celebration of the Eucharist or "Holy Communion". The Words of Institution that begin this rite are drawn directly from 1 Corinthians 11:23–26. In addition, the communal recitation of the Lord's