The author talks about self-efficacy which determines how strongly you believe in your abilities.
The author suggests 5 rules to develop a strong sense of self-efficacy.
Rule No. 1 Set Goals Slightly Above Your Ability
Three Zones – 1. Comfort Zone, 2. Stretch Zone, 3. Panic Zone
Rule No. 2 Break Goals into Smaller Pieces and Simplify
Rule No. 3 Focus on the Big Picture
Rule No. 4 Reframe Obstacles
Rule No. 5 Take Control Over Your Life