The author argues that there are more spiritually resonant symbols associated with the Festival of Sukkot than with any other major Jewish holiday. The sukkah, in its impermanence and frailty, that generates divine energy. The author explains that ushpizin (guests) visit us each night in the sukkah. The sukkah is a sign to open one’s hearts at this season. Sukkah reminds us that our structures and institutions need to be opened up.