Give them time to change their minds. Obstinate mind is a psychological problem, not a lack of capacity for logical thinking. To change obstinate people is something beyond our control, it has to be a change within. You've told them the truth, you've fulfilled your responsibility. If they still refuse you, shake the dust off your feet and move on.
Converting Muslims
Justin Lewis
Dylan Reyes
If they refuse to hear they should be left. Preach to people who are willing to be saved.
Brayden Lopez
Go on google and watch a short video series on textual history of the bible. Inspiring philosophy has a great series on it on his account and I'll embed it. This is so that you can prove to them that the bible is in fact not corrupt. You don't have to watch the entire series but just the parts that you think will be most useful.
Secondly, tell them to read a single chapter of a new testament text then just let them ponder on it. Remember, no one can come to Christ unless the Father draws them so you cannot force or convince someone to be a christian. On the other hand I'd say be the best Christian you can be and represent Christ in a good light and just pray that they may come to faith.
Also, this is more of a side note. They may also ask questions like how can God change into a man when he said he will never change in the OT so it might be helpful being familiar with their arguments by reading and studying your own bible so you can answer their questions. But again, it is on the spirit and we must defend and live the faith and it may not be your knowledge that saves them but rather your faithfulness and goodness that will cause others to ask what could make a man/woman act in such a way and this will be your opportunity to tell them about Christ.
youtube.com
Nathaniel Hill
Most of them are completely locked away since the Qur'an is a great army handbook intended to indoctrinate them.
One of the core things regarding the Qur'an is that everything in it is infallible and true and it is God's creation and anything that conflicts with it is wrong/blasphemous/corrupted etc.
There is no way with most of them, start with the simple "Witnesses are required for nearly everything, one cannot even marry without a witness, then why was there no witness to Qur'an's creation who could confirm it's legitimacy?" if they dodge it well, there's probably no way around it.
They really are usually indoctrinated and unless you can break that there isn't much to say really since everything they believe in to them is perfect, God's word, God's intended actions etc.
Definitely pray for your friends though, they can hardly be blamed for drinking the kool-aid, in an ideal word evil such as the heresy of Islam would've been forgotten the first time someone asked the warlord Muhammad "Where did you got that bool from and who's to prove it's God's word?" shortly after it entered into the world.
Juan Ramirez
I'll just point out some things that may help:
1] All schools of Islam believe Jesus will return to judge the world.
2] There is no such thing as a "Wahabbist". They're called Salafi. If you show your ignorance by calling them "Wahabbi", then why should they listen to you?
3] Salafi make up less than 5% of Sunni. They may be loud and obnoxious and tiresome, but they are a tiny, tiny minority of Muslims.
4] Use the teachings of Maliki (Sunni scholar), who is already closest the Muslims can come to being Christian without the Trinity. For example: Maliki is the only school of Islam that absolutely does not permit abortion, while the other branches/sects of Islam permit abortion to 120 days gestation.
tl;dr Study Maliki, use it in the case for Christ when talking to Muslims.
Owen Martinez
I can't speak for anyone else, but personally whenever I go on /x/ the overwhelming impression is that people have no idea what they're talking about when they talk about God, at least from a purely philosophical perspective. Stupid threads like "We are God"/"God is everything"/"Who created God"/"I'm going to kill God" happen every day, alongside actual solicitations for rituals to summon demons or even Satan, so any proper monotheist, particularly one who likes Aristotle, is going to go livid at that sort of thing.
Parker Murphy
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Leo Sanchez
This. /x/ is for people who read the Kybalion once and may have tried acid. There is no underlying logical structure connecting all of the various dots unlike with an organised religion, only vague feelings and emotional impulses.
Back to the OP, the most straightforward way would be to poke holes in early, i.e., pre-8thC, Islamic history. There are multiple issues with regard to the textual history of the Qur'an, the life of Mohammad, etc., the likes of which are totally absent from Christianity.
That said, always remember . You can't convince someone to seek truth if they do not wish to question their preexisting beliefs. Always keep your own faith firmly in the centre; people are ultimately responsible for themselves.
Henry Davis
Our job is not to convert anybody, that's their job to convict themselves. Our job is to simply deliver the message.
Jordan Martin
Good post.