Men having, by accustoming themselves to stated lengths of space, which they use for measuring other distances-as a foot, a yard or a fathom, a league, or diameter of the earth-made those ideas familiar to their thoughts, can, in their minds, repeat them as often as they will, without mixing or joining to them the idea of body, or anything else;
Gizakiek, neurketaren erabilera eta ohituragatik, onarturiko zenbait luzeraren ideiak finkatu dituzte beren gogamenetan, hala nola hazbetearena, oinbetearena, yardarena, brazarena, milarena, lurraren diametroarena, etab., espazioari buruz soilik egindako beste hainbeste ideia bereizi direnak. Ezarritako luzerotako edo espazio-neurriotako batzuk gizakien pentsamenduetan ohiko bihurtzen direnean, nahi adina aldiz sor ditzakete beren gogamenetan, gorputz ideia edo beste ezeren ideiarik haiei nahasi edo elkartu beharrik gabe;