/ http://www.slideshare.net/images/logo.gif / 際際滷Share feed for 際際滷shows by User: DavidTruong https://cdn.slidesharecdn.com/profile-photo-DavidTruong-48x48.jpg?cb=1523150830 "Heaven and hell suppose two distinct species of men, the good and the bad. But the greatest part of mankind float betwixt vice and virtue"