问答题 1.  Confidence is knowing you can do it. Know that you are capable of accomplishing anything you want, and live your life with confidence. Anything can be achieved through focused, determined effort and self-confidence. If your life is not what you want it to be, you have the power to change it, and you must make the changes step by step. Live with your goals and your plan of action. Act with your own purpose, and you will have the life you want.