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Curated Torah sources across every topic, from classical texts to contemporary responsa.
Automated Processes Running on Shabbat
Jewish law permits setting certain mechanical or automated processes in motion before Shabbat so long as they operate without direct human intervention on Shabbat itself. The sources explore the boundaries of this permission, examining distinctions between permitted autonomous systems and forbidden forms of labor, with applications to modern technology.
והיא נגמרת מאליה בשבת
Halacha of Jews Fighting Jews in War
Jewish law addresses the permissibility and limits of lethal force between Jews in military conflict, drawing on biblical precedents of civil war and strife, rabbinic principles governing pursuits and zealous intervention, and codified rulings on obligatory versus permitted warfare. The sources examine when—if ever—such conflict is justified and what constraints apply.
הָרוֹדֵף אַחַר חֲבֵרוֹ לְהָרְגוֹ
Compensation for Unsolicited Benefit in Property
Jewish law addresses when an owner must compensate another for improvements or benefits received without consent. The sources examine the principle of unjust enrichment (זה נהנה וזה לא חסר) through cases of unauthorized planting, enhancement of property, and the broader obligation to avoid retaining unearned benefit.
זה נהנה וזה לא חסר
Organ Donation in Jewish Law
Jewish sources address organ donation through the lens of pikuach nefesh (saving a life), which overrides most other commandments, and the obligation not to stand idly by while another's life is in danger. Sources range from classical Talmudic principles to medieval and modern responsa that weigh the sanctity of life against concerns such as the dignity of the deceased.
כָּל הַמְקַיֵּם נֶפֶשׁ אַחַת מִיִּשְׂרָאֵל, מַעֲלֶה עָלָיו הַכָּתוּב כְּאִלּוּ קִיֵּים עוֹלָם מָלֵא
The Halakhic Process of Conversion to Judaism
These sources establish the legal requirements and spiritual significance of geirus (conversion). They outline the procedural steps—circumcision, immersion, and acceptance of commandments before a rabbinic court—while exploring the theological meaning of joining the Jewish people and attaining full Jewish status.
גֵּר שֶׁבָּא לְהִתְגַּיֵּיר
Pikuach Nefesh and Non-Kosher Organ Transplants
These sources address whether the prohibition against consuming non-kosher food is overridden when a non-kosher organ transplant is necessary to save a life. The sources establish the principle of Pikuach Nefesh — that nearly all Torah prohibitions yield to the imperative to preserve human life — and examine whether this principle applies to organ transplantation, which is not an act of eating in the conventional sense.
וְחַיּוּ בָהֶם וְלֹא שֶׁיָּמוּתוּ בָהֶם
Halachic Considerations in Artificial Intelligence
Jewish legal sources address the status of AI through frameworks governing human dignity, testimony, deception, and the boundaries between human and non-human intelligence. These sources range from classical discussions of who may testify in court and prohibitions on false wisdom to contemporary applications of ona'at devarim and the irreplaceable nature of human judgment in halacha.
עֲשָׂרָה מִינֵי פַּסְלוּת הֵם כָּל מִי שֶׁנִּמְצָא בּוֹ אֶחָד מֵהֶן הֲרֵי הוּא פָּסוּל לְעֵדוּת
The Sephardic 1-in-101 Rule for Terumah
Sources explain why Sephardim require a 1-in-101 nullification ratio for inadvertently mixed terumah, rather than the standard 1-in-60 for other prohibited foods. This stringency derives from terumah's elevated sanctity as a specially designated priestly portion in Torah law.
הַתְּרוּמָה עוֹלָה בְּאֶחָד וּמֵאָה
Powdered Milk and Chalav Yisrael Status
These sources establish the foundational rabbinic prohibition of non-Jewish milk without Jewish supervision (chalav akum), based on concern for admixture with non-kosher animal milk. They form the halachic framework for determining which milk products require certification as chalav yisrael.
חָלָב שֶׁחֲלָבוֹ גּוֹי וְאֵין יִשְׂרָאֵל רוֹאֵהוּ
Cybersecurity Defense and Shabbat Observance
These sources establish that preserving human life overrides Shabbat restrictions entirely, and explore how this principle applies to cyber-defense operations. The sources ground the obligation to protect others from digital harm in foundational Torah law, Talmudic principle, and rabbinic codification.
דְחוּיָה הִיא שַׁבָּת אֵצֶל סַכָּנַת נְפָשׁוֹת
Posthumous Reproduction and Halakhic Status
These sources address the halakhic framework for children born through non-standard reproductive means, the foundational principle that a deceased man has a Torah-recognized interest in progeny, and the legal status of sperm and paternity in unusual circumstances. Together they provide the classical and contemporary Jewish legal context for evaluating posthumous assisted reproduction.
לֹא יִבָּטֵל אָדָם מִפְּרִיָּה וּרְבִיָּה
Kohanim and Temple Maintenance Accountability
These sources examine how King Jehoash discovered that the kohanim had neglected to repair the Temple with collected funds, and how he restructured the system to bypass the priests and allocate money directly to craftsmen. The texts explore both the historical events and the halakhic principles governing Temple upkeep and financial accountability.
מדוע אינכם מחזקים את בדק הבית