The Five Big Ideas

1. Habits are the compound interest of self-improvement.
2. If you want better results, then forget about setting goals. Focus on your system instead.
3. The most effective way to change your habits is to focus not on what you want to achieve, but on who you wish to become.
4. The Four Laws of Behavior Change are a simple set of rules we can use to build better habits. They are (1) make it obvious, (2) make it attractive, (3) make it easy, and (4) make it satisfying.
5. Environment is the invisible hand that shapes human behavior.