...use. They may so entangle and perplex the understanding as to obscure principles which were before thought quite plain, and induce doubts where, if the...make them the tests of the arguments to be examined. When we recur to these principles that have been briefly stated in this article, it will be seen that...

...Vo f.-,r iisp. They viwy • • asA •cw derslanding, as to obscure principles which were before thought quite plain, and induce doubts where, if the mind were to pursue ils own course, none would be perceived. In s'ioh a case, it is peculiarly necessary to recur to safe...