5. If, therefore, those that pass for PRINCIPLES are NOT CERTAIN, (which we must have some way to know, that we may be able to distinguish them from those that are doubtful,) but are only made so to us by our blind assent, we are liable to be misled by them; and instead of being guided into truth, we shall, by principles, be only confirmed in mistake and error.
5. Horregatik, printzipiotzat daudenak ziurrak ez badira (eta hau jakiteko moduren bat behar dugu, dudazkoak direnetatik bereizi ahal izateko), geure baiespen itsua delarik ziurtzat aurkezten dizkiguna, printzipioek erraz eraman gintzakete okerreko bidetik, egia aurkitzera gidatu beharrean, nahasmenduan eta errakuntzan erro sakonagoak botatzera bultzatuz.