The only person who can pull me down is myself, and I'm not going to let myself pull me down anymore.

The greatest discovery of any generation is that a human being can alter his life by altering his attitude.

我们为新南开所抱的志愿，不过是‘了解中国，服务中国’这两句话。

房子里最重要的房间就是你所在的那个房间。

在观测天文学中，耐心是关键，有些发现需要几十年才能确认。

The challenge is not just to collect data, but to make sense of it in ways that improve lives.

爱是答案，无论问题是什么。