Whatever one does, one should do it with confidengce. If one has no confidence there is little possobility that one can achieve anything when faced with hardships.(1) __________________________. In reality, however, we do see a lot of people who always complain that they lack the ability to do something, or that their difficulties are too great to overcome. For some, this might be true,but for many others, (2) ___________________________. Why do some people often feel frustrated even though they are capable of doing something? I think there are two main reasons. In the first place,these people don't have a correct estimate of themselves. Secondly, it is possible that they exaggerate the difficulties.(3) ________________________________________. We should neither underestimate nor overestimate our abilities. As a proverb says,"where there is a will, there is a way".