believe God has communicated to humans in a public way, you’re most likely an adherent of one of the other major monotheistic faiths—Islam or Judaism. One possibility is that you’re a Muslim, a follower of the religion of Islam. The most direct way to determine whether someone is a Muslim is to ask about his view of Muhammad. Muslims believe that Muhammad (AD 570–632) was a true prophet of God, whereas non-Muslims reject that strong claim (even if they think Muhammad was a good person or a religious