Be immaculate with my own words, don`t take things personally, don`t speculate and always do my best, these four promises are hard to keep, but once I became aware of these four promises, things started to move in a positive direction. In addition to demhur`s book and book, there is also an eBook, a four-colour picture book, a card game and an online course.  The Four Agreements© was published in 1997 and has sold about 9 million times. He has been on the New York Times bestseller list for nearly a decade. Everything we do is based on agreements we have made – agreements with ourselves, with other people, with God, with life. But the most important agreements are those we make with ourselves. The fourth agreement allows readers to have a better understanding of the progress made in achieving their goals in life. This agreement involves the integration of the first three agreements into daily life and the exploitation of its own potential.  It is a matter of doing the best that can be managed individually, which varies from the different situations and circumstances that the individual may encounter. Ruiz believes that if you judge yourself and do your best at all times, you will be able to avoid remorse.
 By integrating the first three chords and doing the best in all facets of life, the individual will be able to lead a life without grief or self-awareness. His most famous book, The Four Agreements, was released in 1997 and has sold in the United States about 10 million times and has been translated into 46 languages. The book advocates the personal freedom of convictions and agreements we have made with ourselves and with others, which create use and unhappiness in our lives.  It was broadcast on the television show Oprah.  The four agreements are: in Part 1 of this two-part video, we learn about the «domestication» of men and how all the rules and values of our family and society are imposed on us by a system of punishment and reward. As young children, our true nature is to love and be happy, to explore and enjoy life; We are absolutely authentic.