text: A yau ma akwai mutane a bangarori daban-daban da suke amfanuwa da maganganunsa da kuma irin tunaninsa, wajen samun amsar tambayoyin da suke da su; a yau ma da tunani suka ci gaba, inda aka magance matsaloli daban-daban da suke cikin kwakwalan masu bincike, to amma duk da haka sun kasance masu amsa sabbin tambayoyin da ake da su.