唯一真正的发现之旅不在于寻找新的风景，而在于拥有新的眼光。

“I give my whole water in joy，“ sings the waterfall， '' though little of it is enough for the thirsty。''

The most exciting breakthroughs in AI are yet to come.

The galactic center is a unique natural experiment in strong gravity.

I'm a walking contradiction.

代数是慷慨的；她常常给予的比被要求的更多。

民族的团结是力量的源泉。

我不是榜样，我是榜样角色。