Islamic Beliefs The main belief in islam is Tawaid. They believe to follow one god before any other thing. They also believe he is the creator of all life. Other beliefs are he is all-knowing and restorer of life after death. They believe the holy book is the quran. The quran has the names of 25 prophets and their teachings. All muslims follow beliefs of 5 Pillars. The first pillars include “There is no god but Allah, and muhammed is his messenger” and “Muslims must obey