/ http://www.slideshare.net/images/logo.gif / 際際滷Share feed for 際際滷shows by User: rakibhasan1 https://cdn.slidesharecdn.com/profile-photo-rakibhasan1-48x48.jpg?cb=1577642268 The stupids are full of confidence and the intelligents are full of doubts. (SHAKESPEARE) ''The greatest advantage of speaking truth is that you don't have to remember what you said". (Francis Becon)