言论自由只有在政府认为它自身安全的时候才存在。
The rise of China poses a significant challenge to the liberal democratic order.
"To understand the future, one must first understand the past."
The only limit to our realization of tomorrow is our doubts of today.
我们不是从祖先那里继承了海洋;我们是从子孙那里借来的。