/ http://www.slideshare.net/images/logo.gif / ºÝºÝߣShare feed for ºÝºÝߣshows by User: OmbdiTnde https://cdn.slidesharecdn.com/profile-photo-OmbdiTnde-48x48.jpg?cb=1523172426 "Vajon barátságos-e a világmindenség?" Einstein