Evolution, both for humanity as a whole and for the life of a single person, is determined at the level of desires. Throughout history, and throughout our life, we have evolved through basic physical desires for food, sex, family and shelter, and then as our desires grow, we demand social attention in the form of money, honor, pride, power and knowledge. When our desires evolve to their greatest extent, and none of the aforementioned fulfillments can satisfy us, we begin to desire spirituality—a need to associate with something beyond everything that can fulfill us in this world. Watch the Video [05:44]