/ http://www.slideshare.net/images/logo.gif / 際際滷Share feed for 際際滷shows by User: Gangsters2 https://cdn.slidesharecdn.com/profile-photo-Gangsters2-48x48.jpg?cb=1523691829 Happiness does not come from doing easy work but from the afterglow of satisfaction that comes after the achievement of a difficult task that demanded our best.