H. P. Grice: ‘The idea that a professional philosopher should either have already solved all questions, or should be equipped to solve any problem immediately, is no less ridiculous than would be the idea that Karpov ought to be able successfully to defend his title if he, though not his opponent, were bound by the rules of lightening chess.’

‘The idea that a professional philosopher should either have already solved all questions, or should be equipped to solve any problem immediately, is no less ridiculous than would be the idea that Karpov ought to be able successfully to defend his title if he, though not his opponent, were bound by the rules of lightening chess.’