Confidence is what we get when we take fear, face it and replace it.
fear motivation worry anxiety confidence angst doubt afraid hesitation fears horror panic boldness foreboding confidence-and-attitude confident terror distress bold nerves dismay fright alarm uneasiness doubts fearfulness agitation perturbation dread fear-of-failure apprehension nervousness doubtful doubtfulness doubting apprehensiveness unease trepidation consternation