The document discusses how attitude is like an iceberg, with most of it hidden below the surface. It states that only 10% of one's knowledge, skills, behavior, and impact is visible to others, while 90% consisting of attitudes, values, motives, and beliefs is invisible. It emphasizes that attitude determines everything and positive thinking leads to positive results, while negative attitudes limit one's potential. It provides several quotes about the importance of maintaining a positive can-do attitude and outlook.