阅读下面短文，按照句子结构的语法性和上下文连贯的要求，在空格处填入一个适当的词或者使用括号中词语的正确形式填空。

    What is success? Different people hold different views on this （难题）. Some think that one is successful if he can make lots  money. Some argue that success means holding  important social position. Still others believe that whoever has got a top diploma is successful.

    A some people try to avoid failure at all costs, some people welcome it. Failure can be a good teacher. It always （教）us to do better next time.

    As you know, （无论什么）you do, there are always two possible（结果）: success or failure. When you fail, you should never l heart. On the contrary（相反）, you should build up your confidence and work even . It is necessary for you to keep on p and never give up, just as people say.“The more you try, the more successful you'll be.”