But the further inference from the nerve stimulus to a cause outside of us is already the result of a false and unjustifiable application of the principle of sufficient reason. If truth alone had been the deciding factor in the genesis of language, and if the standpoint of certainty had been decisive for designations, then how could we still dare to say "the stone is hard," as if "hard" were something otherwise familiar to us, and not merely a totally subjective stimulation!

prompted by the worse disposition

An art I do not call it, but only an experience, because it is unable to explain or to give a reason of the nature of its own applications. And I do not call any irrational thing an art; but if you dispute my words, I am prepared to argue in defence of them.