This is a difficult subject, which is why I like quoting from it yet ignore the whole.
Certainly if you read it you 'feel' more than one author and more than one truth. If words put together with 'will' can carry a frequency or resonance of being true or false then it may be possible for some to distinguish them.
..as for the bits of Jesus's words in the Bible, well nearly all are written 70-300 years after his death and we all know how pristine that work is..