Q 22: What is the textual proof from the Glorious Qur'an and the Prophetic Sunnah that a Muslim must submit completely to Allah and that this is a precondition of his faith?
A--- Allah the Almighty says: {And whosoever submits his face (himself) to Allah, while he is a Muhsin (Muhsin -> Good-doer i.e. performs good deeds totally for Allah's sake without any show off or to gain praise or fame and does them in accordance with the Sunnah of Allah's Messenger Muhammad (Peace be upon him). )
, then he has grasped the most trustworthy hand-hold6}. (Luqman,22)
Prophet Muhammad (Peace be upon him) says:
"None of you is a believer till his desire is in conformity with what I have brought". (An-Nawawi)
Reference: 200 FAQ On Muslims Belief - Shiekh Hafiz Ibn Ahmed Al Hakami