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As an instance of the latter evil, take that truly powerful and active intellect, Sir Thomas Brown, who, though he had written a huge volume in detection of vulgar errors, yet peremptorily pronounces the motion of the earth round the sun, and consequently the whole of the Copernican system, unworthy of any serious confutation, as being manifestly repugnant to Common Sense: which said Common Sense, like a milner's scales used to weigh gold or gasses, may and often does, become very gross, though unfortunately not very uncommon, nonsense. And as for the former (which may be called Logica Præpostera), I have read, in metaphysical essays of no small fame, arguments drawn ab extra in proof and disproof of personal identity, which, ingenious as they may be, were clearly anticipated by the little old woman's appeal to her little dog for the solution of the very same doubts, occasioned by her peticoats having been cut round about.