Shavuot: Iggeret haKodesh: Elevating the Sparks

The enlightened will understand something yet more wonderful, that is, what happens in heaven above by the deliberation and elucidation of a halachic decision from the Talmud, through the early and later coda fires, which prior to this deliberation was in a state of concealment. By means of this deliberation one elevates this ruling from the Kelipot that were obscuring and concealing it in such a way that it was not known at all or that it’s reasoning was not well understood. (Iggeret haKodesh, Chapter 26)