Which question can't be answered by other people？

Funny experience on subway There always are a lot mount of people on subway at Beijing. If you had took the subway on the commute, you should know what's I mean. Oneday I took subway to go work place at 7:30, there are a lot of people. After two classes of subway passed before me, I entered in. A very strong man standed around me. A thin guy run in and blunder into the strong man, then he came back off the subway at the same time.

4 questions for self introspection When we do someting, there always are challenges and failures. Perhaps we would doubt ourself, lose the faith, even give up everything. At that time, you should ask yourself 4 questions as follow: First: What do you want to be? Which life do you want to live? Second: What did you do for it? What's the good results because of your efforts? Third: What status do you want to achieve after 5 years? What should you do for it? Fourth: What's problem you had to face when you do it? Deeply breath, Close your eyes, think about your question, then answer this four question.

what's mean of failure?