Oguguo Onyedika Emmanuel's post on Goodwall - 10 Rules of Self-discipline that Only Successful People Know. 1. They don't joke with time. 2. They prioritise things according to their values. 3. They know when to say no. 4. They track their growth. 5. They are not comfortable in their comfort zone. 6. They constantly strive to improve and achieve more. 7. They are hungry for knowledge. 8. They are consistent in their dealings. 9. They know how to maintain life and work balance. 10. They can control their cravings and urges.