Shevuos 39: A Shaken World, The Severity of a False Shevuah - The reason "Lo Sisa" causes the world to shake, and the reason for the severe punishment.
Shavuos 37: "I Forgot" is Not an Excuse - What is one's responsibility, cannot be excused with forgetfulness.
Shavuos 37: "I Forgot" is Not an Excuse - What is one's responsibility, cannot be excused with forgetfulness.
Shevuos 35: The Mistake of Pesel Micha - And the argument regarding the Kedusha of the names written there
Shevuos 33: Shevuas Edus Only by Mamon - The sources that Shevuas Edus is only in monetary disputes, and the reason for it.