Author Rabbi Yaakov Goldstein

The Rule of Rov The Gemara establishes: When the majority of cases follow one status, We rule according to that majority Example: If most animals in a herd are kosher, We assume an unsupervised animal is kosher This applies even when absolute certainty is impossible. Rov vs. Chazakah The daf […]

Presuming Validity If: An action was valid before No clear indication of change exists We maintain the assumption of validity. Example: Shechitah is presumed correct Meat retains its kosher status unless shown otherwise. Torah Source for Chazakah The Gemara derives this from: Laws of tzara’at in houses The kohen assumes […]

Skills Required of a Torah Scholar Rav teaches that a talmid chacham must master practical skills: Shechitah Brit milah Writing Ritual knot‑tying Not merely knowledge—but hands‑on competence. Why These Skills Matter These are foundational community services: Food Covenant Documentation and continuity Torah leadership is service‑oriented, not academic alone. Skill and […]

Knives Used for Prohibited Purposes The Gemara addresses whether knives previously used for: Idolatrous rites Slaughter of treifah animals Other forbidden uses may be reused. Key principle: If flavor or forbidden residue remains, the knife must undergo kashering. A White‑Hot Knife (Libun) Rabbi Zeira rules in the name of Shmuel: […]

Rabbi Pinchas ben Yair and His Donkey A famous story: Bandits stole Rabbi Pinchas ben Yair’s donkey The donkey refused to eat untithed produce Only after proper tithing did it eat This dramatizes: Even animals raised in holiness reflect that sanctity Kashrut Beyond Law The story teaches: Kashrut is not merely technical […]

Shechitah by the Negligent The Gemara discusses one who: Technically knows shechitah But is known to act carelessly (poshe’a) Ruling: His shechitah is invalid Negligence breaks the presumption of reliability Intentional vs. Accidental Error A key distinction: Occasional mistakes → still trusted Pattern of carelessness → disqualified Halacha evaluates behavioral […]

Who Is Considered Unreliable for Shechitah The daf discusses a mumar (apostate): One who intentionally violates Torah law Especially with regard to idolatry or core prohibitions Ruling: Such a person’s shechitah is invalid This is not a technical issue—it is about intent and allegiance. Distinguishing Types of Transgression The Gemara […]

Presumption Can Be Rebutted Even when a shochet is generally trusted: If there is a specific reason to suspect error, Or evidence of improper technique, Then: The shechitah is questioned The meat may be prohibited Trust operates only until doubt is introduced. Frequent Errors vs. Rare Errors The Gemara distinguishes: […]

Presumption of Proper Shechitah The Gemara establishes a crucial rule: If a person knows the laws of shechitah, And there is no reason to suspect wrongdoing, Then: Their shechitah is presumed valid, even if no one actively supervised the act. This introduces the principle of chazakah (legal presumption). Concern About […]