Belief in yourself and your abilities is more important than you realize. Belief in yourself is everything! This chapter focuses on the concepts and characteristics of self-belief, including self-efficacy, self-esteem, and related concepts as well as the overwhelming impact these have on thoughts, emotions, motivation, behavior, achievement, and living a good life! The chapter is informed by social learning theory research and provides strategies on how to increase self-efficacy and self-esteem and why this is so important. Examples of the impact of social learning upon self-efficacy and self-esteem are provided along with exercises to help you improve your belief in yourself!