Cluttered processes and over-complications are the enemies of control in our life. In this book, Joe Calloway offers us two powerful tools to streamline our life, reduce stress, and achieve our goals: simplification and focus. Joe wrote, “Focus means clarity. Clarity means knowing what is most important…Getting focused is the path to simplicity, and simplicity is the path to success and fulfillment”. As what Jessica Jackley said, “You must focus on the most important, mission-critical tasks each day and night, and then share, delegate delay or skip the rest”. But at first we need to determine really does matter most for us. Do you know and are you doing the most important things?