Medieval polemicists rejected Quranic poetry as proof of divine origin.

Evidence

While Muslims claim that the beauty of the Koran’s Arabic proves its divine origins, Riccoldo affirms the contrary: the Koran is in verse, when everybody knows that God speaks to prophets clearly, in prose. — John V. Tolan, Saracens, 1264

Categorization

• XREF: Connects to the Immodesty article’s theme of cultural assumptions masquerading as universal norms — here a Christian expectation that God speaks in prose becomes a reason to reject Islamic scripture.