This document discusses attitudes and how they impact our lives. It states that attitude is a state of mind and influences how we view things. A positive attitude can lead to happiness and success by bringing constructive changes, while a negative attitude hinders potential. It also notes that attitudes are mostly invisible influences on our behavior, similar to how most of an iceberg is below the surface. The document emphasizes choosing happiness, embracing optimism, thinking independently, and keeping an open mind to help develop and maintain a positive attitude.