This story is contained in all four gospels. Each gospel presents the story slightly differently. By collating the details from all four, we can develop a composite picture as follows.
In Bethany, in the presence of the Pharisees, Jesus proclaimed the hallmark of his doctrine, by which HIS gospel would be distinguished from all other doctrines.
It was a doctrine so controversial and divisive that upon hearing it, Judas Iscariot went out IMMEDIATELY and conspired with the Sanhedrin to betray and murder Christ.






