So, whereas Jesus’s disciples knew Jesus as the Son of Man in the first half of his ministry but learned of a third person Son of Man in the second half of his ministry, including after the Wicked Tenants parable where the once former Son of Man is going to be killed by the Wicked Tenants, Paul does not think there is a third person Son of Man?

If so, that is fascinating we postulate a third person Son of Man but Paul does not.

Steefen

You’re not sure where I’m getting the idea of first person Son of Man and third person Son of man?

“So how does Ehrman deny such clear claims? Well, one simple argument he makes is that Jesus always speaks of the Son of Man in the third person, which Ehrman thinks is odd. Note that even in the passage above where Jesus clearly identifies himself as the Son of Man, he refers to the Son of Man in the third person. And never mind the fact that Jesus also refers to “the Messiah” in the third person several times (Matthew 22:42, 23:10; Mark 9:41, 12:35; Luke 24:26), yet Ehrman still thinks Jesus believed he was the Messiah.”
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In Mk 13,26 Jesus is speaking of the heavenly Son of Man in the third person, not of himself in the first person.
@Robert, Bart Ehrman Blog Forum Administrator

[Jesus said to the apostles:] When they persecute you in one town, flee to the next; for truly I tell you, you will not have gone through all the towns of Israel before the Son of Man comes. (Matthew 10:23)
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Are you denying Jesus used Son of Man in the third person?