The sin of first man changed the nature of the way that man experienced the world. Before the sin he was able to differentiate between truth and falsehood, while after the sin the test was differentiating between good and evil. This class explores how the matriarchs and patriarchs corrected the sin of Adam and Chava. And why the purchase of the Cave of Machpeilah is really the story of Sarah’s life, although on the surface it seems like a story about Avraham.