Confidence comes from the process of doing things.

Emperor Yongzheng said he was forged in water and fire, that his iron backbone came from handling the Six Ministries and navigating the provinces. Everything you've read, I've read—and the books you've never touched, I've read those too. When the Yellow River flood swept me through for a day and night, I didn't flinch. Am I really afraid of being drowned by your spittle?

The Donald says he built skyscrapers, laid out plazas, bounced back from four bankruptcies, survived an FBI raid and still bounced up after losing an ear—do you really think he'd be helpless without his entourage, couldn't even move a pencil case on his own? Like Charles?

Where does confidence come from? Repetition. The moment you do something enough times, it becomes familiar—and confidence rises naturally.