How did the concept of the World to Come change due to the sin of Adam and other such sins? We have been given 6,000 years to try to correct the damage through various tikkunim. Find out about how this is accomplished and what is the definition of this world? What then is the definition and the essence of the World to Come? What is the connection between mercy and judgment? What is the essence and purpose of our lives in this world and why? What is the purpose of the evil inclination?