The real essence of that or any other sort of substances, it is evident, we know not; and therefore are so undetermined in our nominal essences, which we make ourselves, that, if several men were to be asked concerning some oddly-shaped foetus, as soon as born, whether it were a man or no, it is past doubt one should meet with different answers.
Gauza nabaria da ez dugula ezagutzen substantzia horren ez beste ezelako substantziaren esentzia errealik, eta horregatik hain dira zehazgabeak gure esentzia nominaletan, guk geuk egindakoetan, non forma traketseko foetus bati buruz zenbait gizoni jaio bezain laster gizakia den ala ez galdetuz gero, ez dagoen dudarik erantzun diferenteak jasoko genituzkeela.