Rabbeinu Yona: Lessons from The Ten Generations from Adam until Noach

Introduction: What are the laws of Tisha B'Av? What are the customs when Tisha B'Av falls on a Sunday/Motzei Shabbat? The Main topic: What do the ten generations between Adam and Noach listed in the Torah, Parashat Bereishit, come to teach us? Rabbeinu Yona teaches us an essential lesson about...