It's not about money. It's about the people you have, how you're led, and how much you get it.

The writer must be a stranger in his own country.

The detection of gravitational waves has opened a new window to observe the universe.

你不能靠一厢情愿的想法来为一个国家提供动力。

计算复杂性的研究告诉我们，有些问题本质上是困难的，无论我们的算法多么聪明。

冒险本身就是值得的。