The document discusses the importance of attitude and how much of it is visible to others. It states that just like an iceberg where only 10% is visible above water, only a small part of a person's attitudes, knowledge, and skills are visible to others. The rest, including their values, motives, and beliefs, lie below the surface unknown to others. It provides quotes about the power of having a positive attitude and how it can impact one's life and ability to achieve goals.