Purim 2025 Shiur 1
The Midrash insists that the opening word of the Megilla is one of sadness and pain. This is difficult to understand. After all, the Megilla is that happiest of all our Holy books and Purim is the greatest Yom Tov of the year.
Sources
Midrash Rabba Esther Psichta Perek 11
Midrash Eliyohu Zuta
Likutei Sichos of the Lubavitcher Rebbe Volume 26 first Sicha