Yaakov Jaffe

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Lehrhaus A Festive Song with an Unclear Message: Uncovering the Meaning of Maoz Tzur 14 Dec 2023
"Maoz Tzur" is a popular Hanukkah song that many Jews sing without fully understanding its meaning or central theme. The song is structured with six stanzas,...
14 Dec 2023
Lehrhaus One Day, One Chapter; Four Recitations and Four Themes in Psalm 24 14 Sep 2023
In this article, the author explores the usage of Psalm 24, "Le-David Mizmor," in the Rosh Hashanah tefillah service. Psalm 24 is recited four times througho...
14 Sep 2023
Lehrhaus Modest, Ethical, Scholarly, or Inventive Perspectives on Ruth, a Biblical Heroine 24 May 2023
Ruth, a Moabite former princess, converted and joined the Jewish people, ultimately becoming the ancestor of King David. Different interpretations of Ruth's ...
24 May 2023
Lehrhaus Does a Women’s Friday-Night Prayer Belong As Part of Menorah Lighting? 22 Dec 2022
The author discusses the practice of lighting Hanukkah candles in between the prayers of minhah and maariv, as a communal obligation. The author's students a...
22 Dec 2022
Lehrhaus The Directional Shaking of the Lulav: Bible, Mysticism, and Religious Polemics 6 Oct 2022
The shaking of the lulav during Sukkot is a familiar and important ritual, but few people understand the reasons behind the different directions in which the...
6 Oct 2022
Lehrhaus Beginning the day with Halakhah or with Spirituality? 12 Aug 2021
The author discusses the order of prayers in traditional Jewish siddurim, specifically focusing on the opening of the morning prayers. He explains that the S...
12 Aug 2021
Lehrhaus What role should young children play in the post-COVID synagogue? 27 Jan 2021
The author discusses the role of young children in the Orthodox synagogue in the post-COVID era. They note that many children have not attended regular servi...
27 Jan 2021
Lehrhaus Should the Davening of the Tenth of Tevet Take Sides in a Talmudic Debate? 25 Dec 2020
The author explores the implications of Jewish liturgy, particularly in relation to the fast of the tenth of Tevet. He argues that the liturgy conveys histor...
25 Dec 2020
Lehrhaus Modern Technology Meets Tehum Shabbat 23 Nov 2020
The author discusses the concept of tehum shabbat, which determines the range of permitted walking for Jews on Shabbat. The tehum shabbat restricts Jews from...
23 Nov 2020
Lehrhaus Did the Prophet Amos Predict the Women’s Siyum Daf Yomi? 4 May 2020
Rabbi Yaakov Jaffe discusses the prophet Amos's parable in which a famine for the Words of Hashem is described, leading to a thirst for divine teachings. He ...
4 May 2020