Purim Is a Lottery
The name Purim refers to the "pur" or the lottery cast by Haman to choose the month in which to carry out his evil plan. Why is the name of the holiday connected with attempted tool of destruction? We begin to explain that the idea of a lottery, which features both on Purim as well as Yom Kippur, refers to a level beyond the normal framework.
Chapters 1-2 of the discourse.