In his 2009 speech in Cairo, President Barack Obama appealed to the Muslim world by paraphrasing from the Koran. He drew from this passage, among others: “We ordained for the Children of Israel that if anyone slew a person – unless it be for murder or for spreading mischief in the land – it would be as if he slew the whole people” (Koran 5:32). The excerpt has been a hallmark of non-violence in Islam, one that took on particular significance after 9/11.