Curiosity is the engine of discovery.
好奇心是发现的引擎。
在一个国家中,一个人的自由止于另一个人的自由开始之处。
The future belongs to those who believe in the beauty of their dreams.
气候变化不是未来的威胁,它正在改变我们今天的田地。
The relation between what we see and what we know is never settled.