The document discusses the concept of an iceberg, where only 10% is visible above the waterline and 90% is below. It says this is analogous to human beings, where only some attributes like knowledge and skills are visible to others, while attitudes, values, beliefs and motives are not. It suggests that attitude makes up the largest part, around 82% of what determines a person's life, compared to knowledge at 11% and hard work at 7%. The rest of the document provides quotes about the importance of maintaining a positive attitude.