'Different versions of this horror have happened again and again in history. They’re still happening in places like Rwanda, Bosnia, Kosovo and East Timor, wherever one group of people permits its leaders to convince them that for their own protection, for the safety of their families and the security of their country, they must get their enemies, those alien others who until now were their neighbors.'

https://commongood.cc/reader/a-few-rules-for-predicting-the-future-by-octavia-e-butler/