/ http://www.slideshare.net/images/logo.gif / 際際滷Share feed for 際際滷shows by User: alkozee https://cdn.slidesharecdn.com/profile-photo-alkozee-48x48.jpg?cb=1523117368 Albert Einstein The important thing is not to stop questioning. I am still questioning about everything. haven't gotten any satisfactory answers yet.. Do you questioning?????