Rules, Rules, Rules

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"What can never be done is to reduce what has had to be learned in order to excel at such a type of [concrete] activity to the application of rules. There will of course at any particular stage in the historical development of such a form of activity be a stock of maxims which are used to characterize what is taken at that stage to be the best practice so far. But knowing how to apply these maxims is itself a capacity which cannot be specified by further rules, and the greatest achievements in each area at each stage always exhibit a freedom to violate the present established maxims, so that achievement proceeds both by rule-keeping and by rule-breaking. And there are never any rules to prescribe when it is the one rather than the other that we must do if we are to pursue excellence." -- Alasdair MacIntyre

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