Homophily, serendipity, xenophilia
“Homophily can make you stupid…[I]t’s possible to miss huge trends, changes and opportunities by talking solely to people who agree with you…[On the other hand] xenophiles are uniquely equipped to thrive in a globalizing world and…cultivating xenophilia should be both a personal priority and an aspect of a nation’s educational and diplomatic strategy.”
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This is Nick Stevenson’s cosmopolitan citizenship.