Maybe some foreigner brought him the information.

Maybe some foreigner brought him the information. So he lied and told people that he was a prophet." At this point then you have to ask him, "If Mohammed was a liar, then where did he get his confidence? Why did he behave as though he really thought he was a prophet?" Finally backed into a corner, like a cat he quickly lashes out with the first response that comes to his mind. Forgetting that he has already exhausted that…