They are called, "Ulu al-’Azm" meaning those of great determination.

They are called, "Ulu al-’Azm" meaning those of great determination. Other than the Qur’an itself, the Qur’an speaks of four Heavenly books: the Book of Abraham (87:19); the Psalms of David (4:163 and 17:55); the Torah of Moses (2:87, 3:3 & 4, 6:91 & 154) and the Gospel of Jesus (5:46). A Muslim must believe in all the Holy Books (2:4 & 285) and in all the prophets. (4:152). As we will see later, the Shi’a also believe that all the prophets were…