Napoleon Hill's 11 Principles of Effective Leadership

(summarized from information in his 1937 book, Think and Grow Rich)

1. Unwavering courage
2. Self-control
3. Keen sense of justice
4. Definiteness of decisions
5. Definiteness of plans
6. The habit of doing more than paid for
7. A pleasing personality
8. Sympathy and understanding
9. Mastery of detail
10. Willingness to take full responsibility
11. Cooperation