A powerful rule from The 5 AM Club is the 10 Tactics of Lifelong Genius (often summarized as a mindset rule).
Rule:
Protect your mindset daily by practicing habits such as gratitude, simplicity, self-discipline, positivity, and service to others.
Lesson:
Your mindset is the foundation of success. When you consistently train your thinking, you unlock creativity, resilience, and long-term excellence.