This document discusses optimism and defines it as having hopefulness and confidence about the future or the success of something. It notes that optimism is a conscious selective focus on the positive aspects of one's present situation or the future. The document explores how optimism can improve mental health and relationships by giving one energy and making efforts feel worthwhile. It contrasts optimism with pessimism, which tends to see the worst outcomes. Several quotes are provided that emphasize how optimism is a strategy for creating a better future and enables one to achieve their goals and overcome challenges.