Patriotism of the nationalistic type, so far from being taught in schools, ought to be mentioned as a form of mass-hysteria to which men are unfortunately liable, and against they need to be fortified both intellectually and morally. Nationalism is undoubtedly the most dangerous vice of our time.

Bertrand Russell (1872-1970) English mathematician and philosopher

Education and the Social Order [Education and the Modern World], ch. 10 “Patriotism in Education” (1932)
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