Questions to consider When does a person become a Muslim? Is it right for a Muslim if he recognizes the fasting during Ramadan and the Hajj pilgrimage but does not accept the Zakat donation (a small portion of his wealth)? 1 2 Principles of Islam and Principles of Faith 4 Meaning of the phrase "And I bear witness that Muhammad is the Messenger of Allah." Indeed, Muhammad is the true Messenger of Allah. It is necessary to obey what he commands, believe in all the information he gives, avoid what he forbids, and worship Allah according to the four commandments he has set.