笑，全世界便与你同声笑，哭，你便独自哭。
Laugh, and the world laughs with you; weep, and you weep alone.
我不喜欢被一件事定义。我不仅仅是一个网球运动员。
I can never be safe; I always try and go against the grain. As soon as I accomplish one thing, I just set a higher goal. That's how I've gotten to where I am.
The rise of China and the resurgence of Russia have challenged the idea that liberal democracy is the only viable form of government.
科学应该为人类服务，而不是反过来。
未来は誰にもわからない。だからこそ、今を生きるべきだ。
做出伟大工作的唯一方法就是热爱你所做的事情。