/ http://www.slideshare.net/images/logo.gif / 際際滷Share feed for 際際滷shows by User: gabfarias https://cdn.slidesharecdn.com/profile-photo-gabfarias-48x48.jpg?cb=1596741695 "The most beautiful thing we can experience is the mysterious. It is the source of all true art and all science. He to whom this emotion is a stranger, who can no longer pause to wonder and stand rapt in awe, is as good as dead: his eyes are closed." A. Einstein