This document discusses how to renew one's mind through truth rather than lies. It encourages offering one's body as a living sacrifice to God by transforming one's thinking. Several examples are given of how core beliefs can influence feelings, thoughts and behaviors either positively or negatively. The importance of truth over lies is explored, with lies said to come from the enemy while truth comes from God. Addressing the roots of issues through identifying lies and replacing them with biblical truths is recommended as part of spiritual growth.