And they assembled against Moses and against Aaron and said, "Why do you raise yourselves up above the congregation of the L-rd? (Num. 16:3)
It is characteristic of controversy that righteous people are accused of sins that are entirely inapplicable to them. The Torah testifies that Moses was "the most humble of any man on the face of the earth"; thus Korach's accusation that he was arrogant was inherently absurd. (Rabbi Menachem Mendel of Kotzk)