/ http://www.slideshare.net/images/logo.gif / 際際滷Share feed for 際際滷shows by User: samibce https://cdn.slidesharecdn.com/profile-photo-samibce-48x48.jpg?cb=1523757542 The deep root of failure in our lives is to think, 'Oh how useless and powerless I am.' It is essential to think strongly and forcefully, 'I can do it,' without boasting or fretting.