What Makes Me Confident?

First of all, let me clarify. I am not confident all the time. Sometimes I am and sometimes I am not. So, what makes me confident at certain instances?

Preparation. Preparation.Preparation

I gave a talk in front of 50 odd managers of a Multi-national company based on my book. The topic was personal management for better productivity at work. My feet were shaking and voice trembling.

Two months later, I delivered the same talk in front if 100 managers and it was flawless. I stood straight, my...