The night is a great mystery, but the stars are its clues.

The preservation of the means of knowledge among the lowest ranks is of more importance to the public than all the property of all the rich men in the country.

透明不仅仅是一种物理特性，它还是一种社会和政治特性。

Education is the foundation of change. We must teach the next generation to value and protect our oceans.

We are all walking archives of evolutionary history.

我的座右铭是：职业不分贵贱，唯才适用。

The greatest threat to democracy is not from external enemies but from internal decay and the loss of civic virtue.

I have often been asked how my plays come about. I cannot say. Nor can I ever explain to myself what they mean.

出自《魏源集·都中吟十三首》。洋人的情况、技术和版图，我都了解得像万里大的手掌中玩米和沙子一样。知己知彼是兵家的策略，一定要知道谁主掌着典属国的职位。