/ http://www.slideshare.net/images/logo.gif / 際際滷Share feed for 際際滷shows by User: EricGraham1 https://public.slidesharecdn.com/v2/images/profile-picture.png We learn wisdom from failure much more than from success. We often discover what we will do, by finding out what we will not do; and probably he who never made a mistake never made a discovery.