He repeatedly sued for peace with a bellicose Mecca, but when that failed he organized Medina for self-defense in the face of a determined pagan foe. The Qur’an insists that aggressive warfare is wrong and that if the enemy seeks an armistice, Muslims are bound to accept the entreaty. This disallowing of aggressive war and search for a resolution even in the midst of violent conflict justifies the title “prophet of peace,” even if Muhammad was occasionally forced into a defensive campaign. The Qur’an contains a doctrine of just war but not of holy war and does not use the word jihad with that latter connotation. It views war as an unfortunate necessity when innocents, and the freedom of conscience, are threatened. It strictly forbids vigilantism and equates premeditated killing of noncombatants with genocide, paraphrasing in this regard Jewish commentaries on the Bible in the Jerusalem Talmud.
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The Qur’an, read judiciously alongside later histories, suggests that during Muhammad’s lifetime, Islam spread peacefully in the major cities of Western Arabia. The soft power of the Qur’an’s spiritual message has typically been underestimated in most treatments of this period. The image of Muhammad and very early Islam that emerges from a careful reading of the Qur’an on peace-related themes contradicts not only widely held Western views but even much of the later Muslim historiographical tradition. This finding should come as no surprise. Life in medieval feudal societies did not encourage pacific theologies, and Muslims in later empires lost touch with the realities of the early seventh century. What if we read Jesus’s life and thought only through the lens of Pope Urban II, who launched the sanguinary Crusades in the Holy Land with the cry, “God wills it!”