真相很少是纯粹的,也绝不简单。
"The truth is rarely pure and never simple."
那些疯狂到认为自己能改变世界的人,才能真正改变世界。
The poet is a man who plants a tree and then sits in its shade.
永远不要停止学习;一旦停止,你就会开始落后。