Bulk, figure, and motion we have ideas of. But though we are not without ideas of these primary qualities of bodies in general, yet not knowing what is the particular bulk, figure, and motion, of the greatest part of the bodies of the universe, we are ignorant of the several powers, efficacies, and ways of operation, whereby the effects which we daily see are produced.
Baina oro har gorputzen lehen koalitate horien ideiarik gabe ez gauden arren, unibertsoko gorputzik gehienen bolumen, irudi eta higidura partikularra zein den ez dakigunez, egunero ikusten ditugun efektuak eragiteko behar diren ahal, eragile eta jardunbideak zer nolakoak diren ere ez dakigu.