From whom did the kohanim hear the Torah at Sinai—directly from God or through Moses—and does that affect their reward in this world?

This source-based Torah study examines the question: From whom did the kohanim hear the Torah at Sinai—directly from God or through Moses—and does that affect their reward in this world? It follows the canonical Hebrew discussion through the weekly portion and the classical sources cited there, preserving the distinctions and review status of the original. This localized layer is for study and discovery only; it is not a practical halakhic, medical, legal, safety or pastoral ruling.