过去是一个谜，我们都在试图拼凑它。

I'm tough, I'm ambitious, and I know exactly what I want. If that makes me a bitch, okay.

让中国人吃饱饭是我们这代科学家的使命。

The past is not a shadow but a living presence.

The most important thing is to awaken in the child his own will and ability to create.

有时候，你必须和你爱的人分开，但这并不会让你爱他们少一点。有时候，这会让你更爱他们。