I don't think it’s a problem again is a bad thing if you haven't got it "
right" in the first time. It is a time-consuming process to really
understand anything. There is no genius or talents for a certain problems.
And our life is more or less filled with this kind of problems. One of the
questions is "what is important"? We would never have a unique answer and it
’s wrong to look for a unique answer even just for ourselves. Some
questions are not to be answered, like "what is the meaning of li
