8. Nor are we to wonder that powers make a great part of our complex ideas of substances; since their secondary qualities are those which in most of them serve principally to distinguish substances one from another, and commonly make a considerable part of the complex idea of the several sorts of them.
8. Eta ez gaitu harritu behar ahalek gure ideia konplexuen zati handi bat osatzeak, zeren euron bigarren koalitateek gehienetan substantziak bata bestetik bereizteko balio baitute nagusiki, eta eskuarki substantzi mota ezberdinen ideia konplexuaren zati handi bat osatzen dute.