5. The names of substances, then, whenever made to stand for species which are supposed to be constituted by real essences which we know not, are not capable to convey certainty to the understanding.
5. Substantzien izenak, orduan, ezagutzen ez ditugun esentzia errealek moldaturikoak bide diren espezieak ordezkatzeko eginak direnez, ez dira gai adimenera ziurtasuna eramateko.