David J. Schwartz
Schwartz says the size of success is determined by the size of belief: think little goals and expect little achievements; think big goals and win big success.
Action cures fear and builds confidence, whereas hesitation and postponement only magnify anxiety.
You must vaccinate yourself against excusitis, the failure disease that causes people to rationalize their lack of progress through complaints about age, health, intelligence, or luck.
The words you use create mental images, so always choose bright, positive language to describe yourself, other people, and your future.