当人微笑时，世界爱了他。当他大笑时，世界便怕他了。
The world loved man when he smiled. The world became afraid of him when he laughed.
You see, in life, lots of people know what to do, but few people actually do what they know. Knowing is not enough! You must take action.
The development of science cannot be separated from innovation and cooperation.
心是指南针，但并不总指向北方。