R' Chaim Brisker on Yeharog Val Yaavor for passively transgressing Arayos
R' Chaim Brisker on remembering that you already Davened in middle of Shmona Esrei
R' Chaim Brisker on Milah on the eighth day
R' Chaim Brisker on Melacha Sheina Tzricha L'gufo
R' Chaim Brisker on when Eiruv T'chumim takes effect
R' Chaim Brisker on two days Yom Tov after they established the calendar
R' Chaim Brisker on Matzahs made for dogs
R' Chaim Brisker on Malkos for buying Chametz