Chassidus.

Revolutionary Chiddush of the Rebbe.
The real Dira Brachtonim is within נשמות ישראל. Not in the world 

Fascinating Chiddush of the Rebbe.
The תחתון is so low, it is beyond redemption. And yet, with the power of עצמות, even this תחתון can be transformed into a דירה.