/ http://www.slideshare.net/images/logo.gif / 際際滷Share feed for 際際滷shows by User: derekjeffry https://public.slidesharecdn.com/v2/images/profile-picture.png By three methods we may learn wisdom: First, by reflection, which is noblest; Second, by imitation, which is easiest; and third by experience, which is the bitterest. - Confucius