"Morality, then, is not a set of arbitrary regulations dictated by a vengeful deity and written down in a book; nor is it the custom of a particular culture or tribe. It is a consequence of the interchangeability of perspectives and the opportunity the world provides for positive-sum games."

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The increasing tendency towards seeing people in terms of one dominant ‘identity’ (‘this is your duty as an American’, ‘you must commit these acts as a Muslim’, or ‘as a Chinese you should give priority to this national engagement’) is not only an imposition of an external and arbitrary priority, but also the denial of an important liberty of a person who can decide on their respective loyalties to different groups (to all of which he or she belongs).

— Amartya Sen