The neighbourhood that is constructed by our relations with distant people is something that has pervasive relevance to the understanding of justice in general. … We are linked with each other through trade, commerce, literature, language, music, arts, entertainment, religion, medicine, health-care, politics, news reports, media communication and other ties. … No theory of justice can ignore the whole world except our own country.
There are few non-neighbours left in the world today.

Amartya Sen, The Idea of Justice (2009), p 172-173