Parshas Ki Sisa begins with the commandment to raise up the heads of the people of Israel by having them contribute a half shekel of silver. How does this contribution raise them up? The phases of the Mishkan had involved first raising up Aharon as the Kohen Gadol, then the Kohanim as a whole, then the sons of Levi, each Kiper uplifting the designated group to a new higher state. This was the turn of the Jewish people as a whole. As the Kohanim were analogous to the Kodesh HaKedeoshim, the Leviim were analogous to the interior of the Mishkan whose vessels they bore on their shoulders, the people of Israel were analogous to the walls of the Mishkan itself, creating the border and boundary of the House of G-d. So the Jewish people were raised up by contributing the half-shekel of silver. This silver was used to form the sockets that held the beams that formed the wall of the Mishkan. So while the Kohanim and Leviim might minister within it, it was the Jewish people who were its wal