Have you ever watched a movie Ainun Habibie? If Yes, would you have witnessed how the struggles of B.J. Habibie in reaching for his success. In the movie, told how difficult the lives of Grandparents Habibie is limited. Moreover Habibie Grandparents also tasted yummy not underrated by fellow workers there. A few times the idea was rejected and considered convincing.
But all the things that make painful Grandparents gave up. Instead he kept trying until the end what he dreamed of can be realized. From the story he is one lesson that we can take that is, "never give up". When what is wanted is not reached, you cannot stop. Even if it is necessary you have to add "machine spirit" to keep moving could achieve what you believe.