A strong desire to achieve promotes self-confidence.

Positive self-image and high self-esteem promote self-confidence. 

Sense of purpose and goals promote self-confidence. 

A commitment to take action promotes self-confidence. 

Affirmations promote self-confidence. 

Strong personal values for fair play promote self-confidence. 

Positive thinking, especially about other people, promote self-confidence.

Willingness to serve others promotes self-confidence.   

Truthfulness promotes self-confidence.

A keen sense of justice promotes self-confidence. 

'Planning your work and working your plan' - that also promotes self-confidence. 

These are some of the important messages Napoleon Hill embedded in his Self-confidence Formula. Hill understood self-confidence is a fragile thing...easily disrupted...time-consuming to build...energy-consuming to hold fast. 

Self-confidence is a habit. It is a good habit. 

Good habits don't just happen. Good habits require planning. Good habits require ongoing work.