We exclude also because we are uncomfortable with anything that blurs accepted boundaries, disturbs our identities, and disarranges our symbolic cultural maps. Others strike us like objects that are “out of place,” like “dirt” that needs to be removed in order to restore the sense of propriety to our world…. We assimilate or eject strangers in order to ward off the perceived threat of chaotic waters rushing in.
Miroslav Volf
Exclusion and Embrace