Fast of the Firstborn tends to precipitate contrition in the one who fasts (see Joel, 2:12–18). This is why the Bible requires fasting (lit. self-affliction) on Yom Kippur (Jewish holiday of atonement) (see Leviticus, 23:27,29,32; Numbers, 29:7; Tractate "Yoma", 8:1; ibid. Babylonian Talmud, 81a). Because, according to the Hebrew Bible, hardship and calamitous circumstances can occur as a result of wrongdoing (see, for example, Leviticus 26:14–41), fasting is often undertaken by the community or by individuals to achieve atonement and avert catastrophe (see, for example, Esther 4:3,16; Jonah 3:7). Most of the Talmud's Tractate "Ta'anit" ("Fast[s]") is dedicated to the protocol involved in declaring
Atonement in Christianity and those to whom they preach. They believe that people in the "last days" can be "saved" by identifying Jehovah's Witnesses as God's theocratic organization, and by serving God as a part of it. The Church of Jesus Christ of Latter-day Saints expands the doctrine of the atonement complementary to the substitutionary atonement concept, including the following: "The word [atonement] describes the setting 'at one' of those who have been estranged, and denotes the reconciliation of man to God. Sin is the cause of the estrangement, and therefore the purpose of the atonement is to correct or overcome the consequences