78 years ago, a journalist studied 500 rich men and boiled down their success into 13 steps

Napoleon Hill interviewed more than 500 self-made millionaires over a span of 20 years (although he pre-dated Bill Gates).

1. Desire: You have to want it.

2. Faith: Believe that you can achieve your goal.

3. Auto-suggestion: Use affirmations to reach your goal.

4. Specialized knowledge: Gain experiences and continue learning.

5. Imagination: Come up with ideas and visualize your success.

6. Organized planning: Take action.

7. Decision: Defeat procrastination with decisiveness.

8. Persistence: Don't stop until you get what you want.

9. Power of the Master Mind: Surround yourself with the best.

10. The Mystery of Sex Transmutation: Choose a compatible partner.

11. The Subconscious Mind: Master positivity and dismiss negative emotions.

12. The Brain: Associate with other smart people and learn from them.

13. The Sixth Sense: Trust your gut.