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 emphasizes that having the right attitude is very important and can impact one's life. It provides several quotes about maintaining a positive attitude and outlook.