人的仁慈从未削弱自由者的毅力或软化他们。一个国家不必变得残酷就可以坚强。
Human kindness has never weakened the stamina or softened the fiber of a free people. A nation does not have to be cruel to be tough.
The interplay between topology and quantum mechanics is a rich field of study that continues to surprise us with its depth and complexity.
每一次科学发现都是对自然界的一次新的对话，它让我们更接近宇宙的奥秘。
在中国，互联网的发展速度比美国快得多，因为我们没有历史包袱。
作家的生活是一种痴迷的生活。