According to search-discovered classical Islamic scholarship, the doctrine of the 'Humanity of Prophets' (Bashariyyat al-Anbiya') is a foundational Quranic principle affirming that all divine messengers were mortal men. Ibn Kathir's tafsir on verses like 21:7-8 stresses that prophets ate food, lived in communities, and were not immortal, a fact Allah established as a mercy to make them relatable examples. This counters the primary objection of disbelievers, who, as Al-Tabari notes in his commentary on Quran 25:7, expected a divine messenger to be superhuman and not engage in mundane activities like 'walking in the markets'. The divine wisdom, as synthesized by Al-Qurtubi, is that a human model is necessary for humanity to learn how to apply divine law; an angelic messenger could not serve as a practical example. This synthesis across all five referenced verses establishes that the prophets' distinction was the divine revelation they received, not a different nature, making their lives the perfect, achievable model for spiritual excellence.