"Mahomet."
"And who told Mahomet?"
"God."
"How do you know this?"
"Mahomet says so."
"What did Mahomet do to make you credit his word?"
"Plenty of things."
"What things?"
"Killed the infidels, sent us the camel into Africa, planted for us the date-palm, and worked many wonders."
"Is that all?"