Wittgenstein on Following a Rule

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"I have further indicated that a person goes by a sign-post only in so far as there exists a regular use of sign-posts, a custom... To obey a rule, to make a report, to give an order, to play a game of chess, are customs... no course of action could be determined by a rule [in the absence of a custom] because every course of action can be made out to accord with the rule... And hence... 'obeying a rule' is a practice." -- "Following a Rule," The Wittgenstein Reader, p. 98-99.

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