The Entail; or, The Lairds of Grippy
Our friend Gabriel glanced the tail of his eye at the advocate, who, without affecting to have noticed the interested motive which the Leddy had betrayed, said to Mr. Keelevin,--  'The case, sir, cannot but go before a jury; for, although the _fatuus_ be of a capacity to repeat any injunction which he may have received, and which is not inconsistent with a high degree of fatuity--it does not therefore follow that he is able to originate such motions or volitions of the mind as are requisite to constitute what may be denominated a legal modicum of understanding, the possession of which in Mr. Walter Walkinshaw is the object of the proposed inquiry to determine.'