解释：有的东西外表华丽而实质不好，有的东西实质很好而外表并不华丽。
It is not shame for a man to learn that which he knows not，whatever his age.
Leadership is about inspiring people to achieve more than they thought possible.
The degree of slowness is directly proportional to the intensity of memory. The degree of speed is directly proportional to the intensity of forgetting.
The best technology is the one you don't notice.