A new and deeply personal appreciation of Shabbat emerges as we examine: (a) the nature of work forbidden on Shabbat; (b) the connection between Shabbat and the construction of the Sanctuary; (c) why the Torah singles out the prohibition of kindling a fire to teach something novel about the Shabbat labors. (Based on Likutei Sichos vol. 36, parshas Vayakhel)