87. Though experience be our only guide in reasoning concerning matters of fact; it must be acknowledged, that this guide is not altogether infallible, but in some cases is apt to lead us into errors.
87. Esperientzia izan arren gure gidari bakarra izatezko zerei buruzko arrazoiketan, aitortu behar da ez dela guztiz hutsezina, aitzitik zenbaitetan erroreetara ere gida gaitzakeela.