recalls a past misfortune. It should be observed as a day on which we mourn an ongoing tragedy. This tragedy is our own distance from the Almighty. It is a day that should inspire us to repent and restore our relationship with Hashem.
 Sefer Beresheit 42:20.
 Rabbaynu Shlomo ben Yitzchak (Rashi), Commentary on Sefer Beresheit 42:20.
 Based on comments of Rabbi Israel Chait.
 Rav Yosef Karo, Shulchan Aruch, Orech Chayim 653:12.
 Rav Yosef Karo, Shulchan Aruch, Orech Chayim 559:4.
 Sefer Zecharya 19:19.