Christians under Muslim rule avoided attacking Muhammad or the Koran for fear of reprisal.

Evidence

While theological debate was possible with Muslims, most Christians in such cases stuck to apologetics and avoided making polemical attacks against Muhammad and the Koran. For to do the latter would have been dangerously overstepping the limits of Muslim tolerance. — John V. Tolan, Saracens, 361

Categorization

• XREF: Directly relevant to the dynamics described in Milgrom’s law-merchant piece about which speech is safe under which institutions.