The simple idea of the four Agreement provide an inspiration to an easy life. A personal development model, and a template for personal development, behavior, communications and relationships.
These agreements are simple and using them as a yardstick to daily living will makes things easier for humanity. Be impeccable, be flawless in all you do. People don't actually the don't do things because of you, Whatever others do or say is a projection of their own consciousness, their own reality.
Having immunity to the thoughts and actions of others, not letting emotions get hold of you, then you will not fall victim of unnecessary pains and distress. Making assumptions about others and things doesn't help, be bold to ask questions and convey what you actually want clearly and concisely communicate with others in order to avoid malice, pains and drama.
Your life will change not be the same with this agreement, your life can be exponentially changed when you apply this simple rule
Do your best all the time, momentarily, your best is going to alter; there will be changes when you are sick and when you are healthy, try to avoid self scrutiny, guilt and abuse to yourself means you have to do your best at all cost without remorse and this sums it all up.