Fundamentals of Islam

The fundamental principles of Islam (Usul el Deen), which are the ‘pillars’ of Islam, are five. A Muslim must believe in all five principles; no more and no less. The five fundamental principles are:

1. The Indivisible Oneness of the Supreme Being and Creator of All Things. (Tawheed) 

2. Justice of the Supreme Being. ('Adl) 

3. The Prophethood. (Nobuwwah) 

4. The Leadership of Mankind. (Imamah) 

5. The Resurrection. (Me'ad)