It is notable, though, that various important manuscripts and diverse early witnesses omit these words. Therefore, Matthew 17:21 lacks adequate ancient textual support.
How Many Second-Century [100 – 200 A.D.] New Testament Manuscripts Are There?
In the case of the New Testament papyri manuscripts, our early evidence for the Greek New Testament, size is irrelevant. They range from centimeters encompassing a couple of verses to a codex with many books of the New Testament. But all of them add something significant.
NTTC JAMES 4:14a “what your life will be” or “for what is your life?”
The variant reading is well-supported by a variety of manuscripts, including 𝔓100, and is the reading that most English versions followed. However, …
NTTC GALATIANS 2:5: “to whom we did not yield for a moment [Lit., “an hour”]
Variant Reading(s): differing versions of a word or phrase found in two or more manuscripts within a variation unit (see below). Variant readings are also called alternate readings.
NTTC JAMES 4:14b: “for you are a mist, appearing for a little while”
The process of attempting to ascertain the original wording of a text is important, regardless of how minor the textual variant may seem. Our primary purpose is to give the Bible readers what God said by way of his human authors, Our primary goal is to be accurate and faithful to the original text. Therefore, we must have the original words.
NEW TESTAMENT MANUSCRIPTS: Copies of the New Testament Produced or Reproduced by Hand
Originally, all New Testament texts were written in Greek. By the year 500, these texts had been translated into Syriac, various Coptic, Latin, Gothic, Armenian, Georgian, and perhaps Ethiopic dialects. This article is a great introduction for those just learning about New Testament Textual Studies.
NTTC: 1 Corinthians 7:5 “you may devote yourselves to prayer”
What is the original reading: (1) “you may devote yourselves to prayer” or the longer (2) “you may devote yourselves to fasting and to prayer”?
NTTC: Mark 9:29 “This kind does not come out except by prayer”?
What is the original reading: (1) “This kind does not come out except by prayer” or the longer (2) “This kind does not come out except by prayer and fasting”?
NTTC JAMES 5:4 “have been withheld” or “have been withheld by fraud”?
The reading απεστερημενος (“having been withheld by fraud”) or αφυστερημενος (“having been withheld”) is a bit of a hand ringer because of the split evidence.
NEW TESTAMENT TEXTUAL STUDIES: Bruce Metzger’s Judgment of Variant Readings According to Text-Types
Because there are so many individual manuscripts, textual critics are hard-pressed to know the individual characteristics of each manuscript. Consequently, many textual critics categorize the manuscripts into text-types, which they then use in their evaluation of textual variants.

