“(On the beginning of the mid-1990s' genocidal war in Rwanda:)Within six weeks, an estimated 800,000 Tutsi, representing about three-quarters of the Tutsi then remaining in Rwanda, or 11% of Rwanda's total population, had been killed.”

“Killing Tutsis was a political tradition in postcolonial Rwanda; it brought people together.”

“Not until the beginning of the 20th century did Europe's urban populations finally become self-sustaining: before then, constant immigration of healthy peasants from the countryside was necessary to make up for the constant deaths of city dwellers from crowd diseases.”

“As far as the political, military, and economic interests of the world’s powers go, (Rwanda) might as well be Mars. In fact, Mars is probably of greater strategic concern. But Rwanda, unlike Mars, is populated by human beings, and when Rwanda had a genocide, the world’s powers left Rwanda to it.”

“The history of interactions among disparate peoples is what shaped the modern world through conquest, epidemics and genocide. Those collisions created reverberations that have still not died down after many centuries, and that are actively continuing in some of the world's most troubled areas.”

“With the rise of chiefdoms around 7,500 years ago, people had to learn, for the first time in history, how to encounter strangers regularly without attempting to kill them.”

“We know from our recent history that English did not come to replace U.S. Indian languages merely because English sounded musical to Indians' ears. Instead, the replacement entailed English-speaking immigrants' killing most Indians by war, murder, and introduced diseases, and the surviving Indians' being pressured into adopting English, the new majority language.”