No community start suggestion yet.
When does the evil inclination begin—at conception or birth? The Gemara (גמרא) and Midrashim seem contradictory on this fundamental question. Rabbi Zweig resolves this by distinguishing two distinct types of yetzer hara: the drive for independence (which begins in the womb) and physical lust (which begins at birth).
This shiur addresses fundamental contradictions in Jewish sources regarding when the evil inclination takes hold in a person. The Gemara (גמרא) in Sanhedrin records a debate between Rabbi Yehuda HaNasi and Antoninus, concluding that the yetzer hara begins at birth, not conception. Yet other sources, including the story of Yaakov and Esav fighting in the womb and Talmudic accounts of pregnant women on Yom Kippur, suggest the evil inclination exists even before birth. Rabbi Zweig proposes that there are actually two distinct types of evil inclination. The first is the drive for independence and autonomy—the desire to be free from any external control, even God's. This fundamental need to assert one's existence and make autonomous choices began with Adam before his sin and manifests from the moment of conception. The second type involves physical desires, lusts, and bodily drives, which only emerged after Adam's sin and begins at birth.
Looking for the full summary?
Full access is available to members of the TUF Alumni Association or the Yam Hagadol Foundation.
Already a member? Let the admin know!
Sanhedrin
Looking for the full transcript?
Full access is available to members of the TUF Alumni Association or the Yam Hagadol Foundation.
Already a member? Let the admin know!
Dedicate a Shiur in Gemara
L'ilui nishmas a loved one. In honor of a simcha or yahrzeit. As a zechus for a refuah sheleimah. Your dedication helps carry Rabbi Zweig's Torah to learners around the world.
Up Next in this Series
Why are sins automatically forgiven for three categories - converts, those elevated to leadership, and those who marry - without any teshuvah required? The shiur distinguishes between soulmate marriages (which create complete identity transformation) and companion marriages, using Esav's third wife as the paradigm. When true soulmates unite, they literally become new people, explaining why sins are forgiven rather than merely sealed.
Why does the Torah emphasize Esav selling his birthright over his other sins like murder and adultery? The key insight is that "vayivez" means Esav despised himself, not just the birthright - reflecting devastating self-worth issues rooted in inconsistent parental love and unproductive time use. Poor self-image is worse than behavioral sins because it can't be simply repented from and blocks all growth.
What does it mean that Leah was 'hated' despite being loved by Yaakov? The shiur redefines hatred (sina) not as animosity but as having separate agendas - two people can love yet remain fundamentally divided in priorities. Yaakov's seven years of labor for Rochel exemplifies making your spouse your agenda rather than maintaining parallel lives.
When an animal damages crops, the Torah prescribes a unique payment formula based on multiplying the damaged area by sixty. Does this formula redefine the actual loss, or does it merely create a payment mechanism that still acknowledges the full damage sustained? The Gemara explores whether someone who ate in doubt should pay the higher-quality amount, examining how the principle of motzi me-chaveiro alav haraya applies when payments fall within the range of actual loss.
What makes testimony valid when different witnesses testify to different parts of the same event? The Gemara debates whether the principle of "davar v'lo chatzi davar" (complete testimony, not partial) disqualifies witnesses who testify separately to theft and slaughter. Rashi's approach reveals that the issue is not merely combining elements, but whether each witness's statement is independently meaningful.
Why is a ganav who sells a stolen animal on Shabbos exempt from the fourfold/fivefold payment? The shiur analyzes whether this exemption stems from kam lei b'derabbah or from the absence of a valid mechira. The Rashba's principle that matana resembles mechira when it is "nishtarish b'chet" is explored, along with the Rambam's position on hekdesh and the distinction between giving to bedek habayis versus mizbe'ach.
When a ganav shechts a stolen animal l'avodah zarah, why isn't he patur from payment since it's already isur hana'ah? The shiur explores the fundamental machloket Rashi-Tosafot on whether the isur derives from the act of shechita or from the din shechita itself. The Gemara's application of davar garem be'mamon ke'mamon domi extends the analysis to when borrowed animals become niskal.
