From the Chassidic Masters

We’ve heard all about Moses; but who was Aaron?

The wick would flare and die. The oil is difficult to ignite at all. But when brought together in the lamp, they produce a steady flame. And so it is in the of the "a lamp of G-d" that is our soul

The two great Torah commentaries of Rashi and Nachmanides debate the arrangement of the bells and pomegranates on the edge of the high priest’s robe. The Rebbe sees this as a discussion on the nature of noise, imperfection and superficiality.