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Curated Torah sources across every topic, from classical texts to contemporary responsa.
The Second Festival Day in the Diaspora
Sources from the Talmud through later codes examine the institution of observing two festival days outside the Land of Israel, its historical basis in uncertainty over the calendar and messengers, and its status as binding rabbinic practice even after the calendar was fixed.
שְׁנֵי יָמִים טוֹבִים שֶׁל גָּלִיּוֹת
The Halakhic Origin of Meat and Dairy Separation
The sources trace the rabbinic prohibition on eating meat and dairy together from Talmudic practice through medieval codification. While the Talmud records a practice of waiting from one meal to the next, later authorities interpreted this interval as six hours; regional customs later adopted shorter periods such as three hours.
כמה ישהה בין בשר לגבינה
The Fast of Gedaliah: Historical Origins
Sources recount the assassination of Gedaliah ben Ahikam on the 3rd of Tishrei and its aftermath, which led to the final collapse of the Jewish remnant in Judah after the Babylonian destruction. Rabbinic and later halakhic authorities establish this fast as a communal commemoration of the tragedy and as a means to awaken repentance.
צוֹם הַשְּׁבִיעִי — זֶה שְׁלֹשָׁה בְּתִשְׁרִי
Meat and Dairy in Shared Utensils
Jewish law addresses whether meat and dairy can be prepared in the same utensil, examining how taste transfer, steam, and absorption affect permissibility. Sources discuss the role of the sixty-to-one ratio, the method of use, and practical solutions such as kashering between uses.
כדרך תשמישן כך הכשרן
Mentioning Idolatrous Names in Torah
Jewish law forbids mentioning the names of foreign gods, yet the Torah itself records such names. Talmudic and medieval sources distinguish between referential mention—including Torah's own denunciation and scholarly discussion—and invocation or religious honor, establishing when such mention is permissible.
וְשֵׁם אֱלֹהִים אֲחֵרִים לֹא תַזְכִּירוּ
Partnership and Firstborn Animal Sanctity
These sources explore whether partnership with a Levi exempts a firstborn animal from bechor sanctity in the same way partnership with a non-Jew does, and whether the exemption depends on the proportion of Jewish versus non-Jewish ownership. The discussion spans Talmudic law, medieval codes, and modern responsa.
שׁוּתָּפוּת הַנָּכְרִי פוֹטֶרֶת מִן הַבְּכוֹרָה
Jewish-Gentile Partnership in Firstborn Animals
Sources address the halakhic status of a firstborn animal owned jointly by a Jew and a non-Jew, focusing on whether such partnership exempts the animal from the sanctity of bekhorah. The discussion spans Talmudic principle, Maimonidean codification, and later rulings.
שותפות העובד כוכבים פוטר
Kiddush Levana: The Three-Day Minimum
Jewish sources establish the earliest permitted time to recite the blessing over the new moon (Kiddush Levana). While some customs wait seven days from the molad, multiple authorities permit the blessing after three days have passed, provided the moon is sufficiently visible and the blessing is recited before the sixteenth day of the lunar month.
לאחר ג׳ ימים מעל״ע מעת המולד שנהנין כבר מאורה יש לברך עליה
Standing Before the Elderly: Scope and Obligation
Sources examine the biblical commandment to rise before the elderly, its derivation from Leviticus 19:32, and the Talmudic and Rishonim interpretations that define who qualifies as a zaken and whether the obligation extends beyond Jewish elders.
מִפְּנֵי שֵׂיבָה תָּקוּם וְהָדַרְתָּ פְּנֵי זָקֵן
Firstborn Animals and Non-Jewish Partnership
Jewish sources address whether the obligation to sanctify a firstborn kosher animal applies when the animal or its dam is jointly owned with a non-Jew. The halakhic sources establish ownership and partnership conditions that determine bekhorah status.
שותפות העובד כוכבים פוטר
Parental Honor and Torah Violations
Jewish law establishes that the obligation to honor one's parents does not extend to obeying commands that violate Torah law. The Talmud, Rishonim, and Acharonim consistently teach that both parent and child are bound by divine commandment, and parental authority is therefore limited by the higher obligation to God.
אִישׁ אִמּוֹ וְאָבִיו תִּירָאוּ וְאֶת־שַׁבְּתֹתַי תִּשְׁמֹרוּ
Israeli Visitor to Diaspora: Melacha on Yom Tov Sheni
The halakhic status of a resident of Eretz Yisrael who travels to the Diaspora for Pesach and intends to return, particularly whether melacha may be performed on the second day of Yom Tov and how intention to return affects observance in a settled area.
בני ארץ ישראל שבאו לחוצה לארץ אסורים לעשות מלאכה ביו״ט שני ביישוב