Achdus 096

Perek 3 (class 2) Questions at the end of the Perek: 1) No one questions that inasmuch as Hashem can do the impossible if He wants to, He can rest in the space of a house. Is there anything for us to understand about this, and if yes then what? 2) How is the Beis Hamikdash different from the entire world, where He is always present (as the Tzimtzum is Shelo Kipshuto)?