Blessing an individual who was involved in the creation and successful completion of a project is more than a token of encouragement. It ratifies his work and shows that it is appreciated. When Klal Yisrael completed the Mishkan, Moshe Rabbeinu blessed them. Rashi quotes the text of the blessing. “Yehi ratzon, may it be Hashem’s Will that the Shechinah rests upon your handiwork. As you successfully completed the Mishkan, so should you merit to go on to build the Bais HaMikdash.” Ralbag writes that it is appropriate for the pre-eminent leader of the generation (or any other spiritual leader, for that…
