Page:Ferrier's Works Volume 3 "Philosophical Remains" (1883 ed.).djvu/309

Rh never, before or since, so clearly and forcibly put. "Do you," he continues (firstly), "follow the instinct and propensities of nature in assenting to the veracity of sense? But these lead you to believe that the very perception or sensible image is the external object." (Then, secondly), "Do you disclaim this principle in order to embrace a more rational opinion, that the perceptions are only representations of something external? You here depart from your natural propensities and more obvious sentiments; and yet are not able to satisfy your reason, which can never find any convincing argument from experience to prove that the perceptions are connected with any external objects."

Now, when a man constructs a dilemma, it is well that he should see that both of its horns are in a condition to gore to the quick any luckless opponent who may throw himself upon either of their points. But Hume had only tried the firmness and sharpness of the second horn of this dilemma; and certainly its power of punishing had been amply proved by the mercilessness with which it had lacerated, during every epoch, the body of speculative science. But he had left untried the temper of the other horn. In the triumph of his overweening scepticism, he forgot to examine this alternative antler, no doubt considering its aspect too menacing to be encountered even by