Question: “The perfect word” is as the Messenger of both mankind and jinn (creatures created from fire), tells us in his Hadeeth: Whoever says: Laa ilaahaa illaa Allaah, i.e. there is no god but Allaah and Muhammad is the Messenger of Allaah, shall enter Paradise. This perfect word consists of two parts: ‘There is no deity’; a form of negation, and ‘Except Allaah’, a form of affirmation. This indicates the Oneness of Allaah, (Exalted be He).
But where can I find the second part, which indicates the message of Muhammad (peace be upon him)? If the two parts are found in the Book of Allaah and the Sunnah (whatever is reported from the Prophet, peace be upon him) where can I find them together?
Answer: The first pillar of Islaam which includes both parts is frequently mentioned in the Glorious Qur’aan. As for the first part, Allaah (Exalted be He) says: Allaah! Laa ilaaha illaa Huwa (none has the right to be worshipped but He), Al-Hayyul-Qayyoom (the Ever Living, the One Who sustains and protects all that exists).… read more here.