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 attitude is everything and determines a person's success more than their aptitude. It provides several quotes about the power of a positive attitude and mindset for achieving goals and happiness.