/ http://www.slideshare.net/images/logo.gif / 際際滷Share feed for 際際滷shows by User: rizalinsumaylo https://public.slidesharecdn.com/v2/images/profile-picture.png When I'm working on a problem, I never think about beauty. I think only how to solve the problem. But when I have finished, if the solution is not beautiful, I know it is wrong. simple