De fide et officio judicis non recipitur quaestio; sed de scientia

De fide et officio judicis non recipitur quaestio; sed de scientia, siveerror sit juris sive facti. Of the credit and duty of a judge, noquestion can arise; but it is otherwise respecting his knowledge, whetherhe be mistaken as to the law or fact. Bacon's max. Reg. 17.