They are compendiums of older stories, mashed-up traditional stories draped like clothes over new actors, hidden polemics, and crowd pleasing nonsense.

I can't understand how anyone can take the new testament seriously as a historical source. The oldest book in it was written a hundred years after Jesus' supposed death.

As for the Koran - it doesn't have anything about the life of Mohammed. Most of that stuff was cooked up much later - probably over 200 years later.