/ http://www.slideshare.net/images/logo.gif / 際際滷Share feed for 際際滷shows by User: dpales https://cdn.slidesharecdn.com/profile-photo-dpales-48x48.jpg?cb=1581289032 ���If we can recognize that change and uncertainty are basic principles, we can greet the future and the transformation we are undergoing with the understanding that we do not know enough to be pessimistic.��� -Hazel Henderson Sometimes we have to choose between what is right and what is easy. -Dumbledore