the Rebbe on parshas Bo
angel of death passes over the homes
the lintel is torah, the left doorpost is tefillah, the right is good deeds
need all three, if overemphasize or underemphasize 1 or the other you limit Godliness
Notes and Reflections on Chabad Chasidus -- Dedicated to the members of Congregation Anshe Libowitz of Brownsville, Brooklyn