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If two objects or human beings show similar behaviour in all their relevant aspects open to observation, the assumption of some unobservable hidden difference between them must be regarded as a completely gratuitous hypothesis and one contrary to sound scientific method.

— John Harsanyi

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More quotes by John Harsanyi

If somebody prefers an income distribution more favorable to the poor for the sole reason that he is poor himself, this can hardly be considered as a genuine value judgment on social welfare.

Game theory is a theory of strategic interaction. That is to say, it is a theory of rational behavior in social situations in which each player has to choose his moves on the basis of what he thinks the other players’ countermoves are likely to be.

Commemorative plaque to Mr. John Harsany (1920–2000).

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Attribution

Quote text and notes from Wikiquote: John Harsanyi (page history), available under CC BY-SA 4.0. Source quality and labels are our own summary of what Wikiquote records.