Aristotle’s thought is entirely dominated by Plato’s. Somewhat grudgingly, he followed his great teacher as closely as his temperament permitted, not only in his general political outlook but practically everywhere. So he endorsed, and systematized, Plato’s naturalistic theory of slavery3 : ‘Some men are by nature free, and others slaves; and for the latter, slavery is fitting as well as just … A man who is by nature not his own, but another’s, is by nature a slave … Hellenes do not like to call themselves slaves, but confine this term to barbarians … The slave is totally devoid of any faculty
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