/ http://www.slideshare.net/images/logo.gif / 際際滷Share feed for 際際滷shows by User: chiaracarpenito https://cdn.slidesharecdn.com/profile-photo-chiaracarpenito-48x48.jpg?cb=1523514785 Now, HERE, you see, it takes all the running YOU can do, to keep in the same place. If you want to get somewhere else, you must run at least twice as fast as that!'