Life is a battle between negative and positive forces. That is a succinct teaching, but at the end of the day, it boils down to this. We all have, as Kabbalah teaches us, three primary operating systems. We have intelligence, we have emotions, and we have ego. The goal of life is using the higher power, which is convictions, faith, and determination, to determine where should our thoughts, which govern both our intelligence, emotions, and ego, be.