Though we give the preference to that which has been found most usual, and believe that this effect will exist, we must not overlook the other effects, but must assign to each of them a particular weight and authority, in proportion as we have found it to be more or less frequent.
Maizen gertatzen ikusi dugun eta huraxe gertatuko dela sinetsirik gauden efektua hautatzen badugu ere, beste efektuak ezin ditugu bertan behera utzi, baizik bakoitzari pisu eta balio jakin bat ezarri, maizago ala ez-maizago izan den kontu.