Most results are determined by a small portion of causes: 80% of success comes from 20% of effort. In 20% of the time, you can complete 80% of tasks. In the economy, 20% of the population controls 80% of wealth. In business, 20% of products, services, or employees account for 80% of a company’s revenue. This universal principle is used by all successful entrepreneurs to increase their wealth and influence. For 14 years after the first publication, Richard Koch’s book “The 80/20 Principle” has become a recognized bestseller in business literature. The author explains how to achieve significant results with minimal expenditure of resources and time by focusing on the key 20% aspects of your life. This approach allows you to control circumstances and achieve more substantial positive changes.