For he says most human affairs go in pairs, meaning not definite contrarieties such as the Pythagoreans speak of, but any chance contrarieties, e.g. white and black, sweet and bitter, good and bad, great and small.
giza kontu gehienak bi direla esaten du baina ez haiek bezala kontrakoak zehatz-mehatz adieraziz, burura datozkion bezala baizik; adibidez, txuria-beltza, gozoa-mingotsa, ona-txarra, handia-txikia.