/ http://www.slideshare.net/images/logo.gif / 際際滷Share feed for 際際滷shows by User: dkppp https://cdn.slidesharecdn.com/profile-photo-dkppp-48x48.jpg?cb=1522870796 Every really new idea looks crazy at first. Alfred North Whitehead (1861-1947) The important thing is never to stop questioning. Albert Einstein If you want to make enemies, try to change something. Woodrow Wilson (1856-1924)