The book is based on a series of spiritual beliefs, held by Toltec`s seniors, to help readers transform their lives into a new experience of freedom, happiness and love.  According to the author, everything a man does is based on agreements he has made with himself, with others, with God and with life itself.  In these agreements, we can tell ourselves who they are, how to behave, what is possible and what is impossible.  Some agreements that create individuals may not cause problems, but there are certain arrangements that come from a place of fear and have the power to deplete emotional energy and reduce a person`s self-esteem.  The book states that these self-limiting agreements cause unnecessary suffering.  Ruiz also believes that to find personal joy, one must get rid of socially imposed and fear-based agreements that can unconsciously influence the individual`s behaviour and thinking.  Another fundamental premise of the book suggests that much of the suffering is created and that most people have the ability to transform themselves and the negative thoughts they have about the situations in their lives.  The author identifies the sources of unhappiness in life and proposes four beneficial agreements that can be concluded with oneself to improve their general state of well-being. By pacting with these four most important chords, an individual is able to dramatically influence the amount of happiness he feels in his life, regardless of external circumstances.
 Personal and professional growth always begins with consciousness. Be aware of your beliefs and agreements, and then decide if you want to make changes. If you decide that you want to help me change the world, the easiest way is to practice five chords: be impeccable with your word; Don`t take anything personally Don`t make assumptions Always do your best and be skeptical, but learn to listen. These are the tools to change your world, to change the world, and they are pure common sense. If you make these five chords, if you make it your way of life, there will be no more war in your head. There will be no more war with your loved ones. There will be peace. The four chords have been printed and pinned to my fridge for years. Words are relevant and wise and help me live with less stress and grief.
It delves deeply into the difficulties that many of us experience in our daily lives.