Can one learn mussar on tisha b'av, or how about Kuzari or Moreh Nevuchim? Is it considered to be the study of Torah, which gladdens, or is it, since it is mussar, okay?
Because of Kamtza and Bar Kamtza, Jerusalem was destroyed. It happened this way: A certain man had a friend named Kamtza and an enemy called Bar Kamtza. He once made a party and said to his ...