success

Sometimes we spend lots of time, money and our energy on something and hope we can get very good result, but the process and result tell us that the method we used or the way we chose are impossible to reach our goal. One of my teacher told me that it is a good result that if you can prove that one mothod is not proper to do certain thing.

Here is an very interesting paper about success makes people happy, and happy people get more success: http://www.apa.org/releases/success1205.html