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Hyperventilating Pulpit and Pen goes off on Steven Furtick. We do not intend to defend Mr. Furtick, but rather, we shall examine the author's statements.
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Steven Furtick, who named a book “Unqualified” in reference to John MacArthur’s assessment of him, preached a sermon from a non-existent Bible verse. (In actual fact, the verse does exist. What is a matter of debate is whether or not this existing verse was added by a later scribe. Pulpit and Pen is amping up the offense in an effort to paint Mr. Furtick as being a a big-deal offender.
However, a quick survey of commentaries indicates that there is plenty of thoughtful dissent among Bible scholars, with the preference tending towards rejecting the verse's authenticity:
Studylight.org: In regard to this passage, it should be remarked that the account of the angel in John 5:4 is wanting in many manuscripts, and has been by many supposed to be spurious, There is not conclusive evidence, however...
Bible Study Magazine: This suggests that John 5:4 does not belong in the New Testament, which explains why many modern Bible translations have omitted it.
Bibleref.com: According to manuscript evidence, the most likely answer is that these words were not part of the original text of the Gospel of John. They might have been written into a margin, as a note, or a traditional explanation of the pool. At some point, the note might have been inadvertently copied into the main body and been absorbed as part of the text itself.
"Supposed." "Suggests." "Most likely." "Might." This is hardly the definitive situation asserted by P&P.)