Davar
Davar Halamed
Davar Halamed may-in-yano v’davar halomed mesofo, v’chayn shnay ksuvim hamachishim zeh et zeh. Ad sheyavoh hakasuv hashlishi v’yachria bay-nay-hem.
A dubious word or passage is explained from it’s context or from a subsequent expression. Similarly if 2 biblical passages contradict each other they can be harmonized only by a third passage.