1. To believe in the Oneness of Allah.
2. To believe in all His Angels.
3. To believe in all His Books.
4. To believe in all His Prophets.
5. To believe in the Day of Resurrection.
6. To believe in the Decree of Allah.

In order to enter into the fold of Islam i.e. to be Muslim, one has to know, believe, accept totally and sincerely apply the five basic principles (Pillars) on which Islam is based: Ibn Umar narrated that the Messenger of Allah - Prophet Muhammad (P.B.U.H) said: Islam is based on the following five pillars (principles):

1. Bearing witness that there is no God but Allah and that Muhammad is the Messenger of Allah.
2. Observance of Prayer.
3. Paying Zakat.
4. Fasting during Ramadhan.
5. Pilgrimage to the house of Allah.