He knows how to make his message personal, empathetic and powerfully uplifting all at once, quoting choice bits of scripture to maximum effect and personalizing heartbreak by expressing his own feelings and the universal emotions of being a parent.
The only evidence is scripture, which is just as apt to tell us flying horses are coming to do us all in right around the time the Third Temple is rebuilt in Jerusalem and people start disappearing in the fields because they love God more than most.