Our efforts during prayer open us up to receive Divine Lights beyond what we can acheive on our own The fundamental work of the Rebbe Rashab, Rabbi Shalom DovBer of Lubavitch, “a testament to the wide spreading of the Torah of Chassidus” (Rebbe Rayatz) “in which the foundations of Chassidus are explained clearly with the breadth and order for which he is known, but incomparably more than before” (Lubavitcher Rebbe).