And they take this so seriously. In most Muslim traditions, they don't create images of Muhammad for fear that people would start to worship it as some type of an idol. Now, on this timeline, you see other significant Judeo-Christian figures. And that's because, according to Muslims, they are following in the same tradition of these figures. They view these other figures as people who have submitted to the will of God. And Moses and Jesus, in particular, are the most frequently mentioned prophets in the Quran. Now, Muslims also believe that the Quran isn't the first book that God had revealed to mankind.