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Curated Torah sources across every topic, from classical texts to contemporary responsa.
Why Tefillin Are Worn on One Arm
The sources establish that tefillin shel yad are placed on a single arm — the weaker arm (left for right-handed individuals) — based on the Torah's use of the singular 'yad' (hand) and rabbinic interpretation of which arm fulfills this obligation.
וּקְשַׁרְתָּ֥ם לְא֖וֹת עַל־יָדֶ֑ךָ
Love and Fear of God
These sources explore the dual obligations of ahavat Hashem (love of God) and yirat Hashem (fear of God) as foundational commandments in Jewish tradition. The sources range from biblical foundations through rabbinic interpretation to philosophical elaboration, examining how these two devotional attitudes are defined, cultivated, and relate to one another in the service of the Divine.
גָּדוֹל הָעוֹשֶׂה מֵאַהֲבָה יוֹתֵר מִן הָעוֹשֶׂה מִיִּרְאָה