際際滷shows by User: ichrakbd1 / http://www.slideshare.net/images/logo.gif 際際滷shows by User: ichrakbd1 / 際際滷Share feed for 際際滷shows by User: ichrakbd1 https://public.slidesharecdn.com/v2/images/profile-picture.png Knowing others is intelligence; knowing yourself is true wisdom. Mastering others is strength; mastering yourself is true power.