[[I personally had it out with a muslim. I told him JESUS IS MOST CERTAINLY GOD!]]
The truth will be revealed to him someday- Sadly it will probably be when it’s too late
Muslims mostly BELIEVE the Old Testament.
Show them
Ezekiel 39, especially verses 11 through 16.
That normally shakes them up pretty good.
SEVEN MONTHS and EVEN LONGER is a lot of time to be burying dead Muslims !