Why did Moses not forgive Korach and his assembly, even though Moses was the most humble person on earth?

This source-based Torah study examines the question: Why did Moses not forgive Korach and his assembly, even though Moses was the most humble person on earth? The canonical Hebrew discussion develops the issue through the weekly Torah portion and the sources cited there, preserving the distinctions, tensions, and practical implications of the original text. This localized discovery layer does not add any new halakhic, medical, legal, scientific, historical, theological, or empirical ruling or claim beyond the canonical Hebrew source.