And then in 620 he has one of his greatest revelations where it said that he was transported during the night time to a great mosque far away. Many Muslims believe that this is the Dome of the Rock which is a very holy place of the Islamic faith. The same Dome of the Rock where people who are Jewish believe that Abraham went to sacrifice his son. So there's a lot of crossover going on here. There's also a lot of commonalities with Christianity that there is a belief in a judgment day. That one day there will be a great reckoning. There will be an antichrist.