A person is never happy except at the price of some ignorance.
The only thing more painful than being an active forgetter is to be an inert rememberer.
我们不是从祖先那里继承了地球;我们是从子孙那里借来的。这个真理指导着我们做出的每一个决定。
Human capital is the most important asset any country has.
Complexity and contradiction are not problems to be solved, but opportunities to be explored.
The world is my country, all mankind are my brethren, and to do good is my religion.
你知道的越多,就越意识到自己不知道的越多。