Allah showing in the Qur'an that Muhammad is a human
He is correct in saying that we cannot call Muhammad (peace be upon him) a god, but he quickly contradicted his own words when he said that we cannot claim otherwise. Allah (Exalted be He) is the absolute One God based on the evidence of ‘Aql (reason) and Naql (holy transmitted texts: Qur’an and Sunnah) by unanimous scholarly consensus (Ijma‘). If Muhammad (peace be upon him) cannot be a god, according to reason-based evidence and scriptural-evidence, then he must necessarily be other than Allah (Exalted be He). (Part No. 1; Page No. 460) It is the necessary impossibility that he could be a god and at the same time has the inherent necessity of Allah’s Unique Divinity and Lordship. Allah alone is worthy of all worship, based on reason and revealed scriptures.Then his saying, “So we should leave it up to Allah (Exalted be He)...” expresses an explicit doubt shown by his unwillingness to make a distinction between Allah and His Messenger (peace be upon him), which, with its contradiction, constitutes sheer Kufr (disbelief) that opposes reality, straight reason, and authentic sacred texts.
Allah, (Glorified and Exalted be He) clearly states in the Glorious Qur’an that Prophet Muhammad (peace be upon him) is a human. All Muslims unanimously agree that he was born to a father and a mother and that the following Ayah (Qur’anic verse) applies to him:
O mankind! We have created you from a male and a female