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。

你越是沉溺于过去，就越少为未来做准备。

The dead are not powerless. Dead, did I say? There is no death, only a change of worlds.

To understand the present, we must first confront the past.

The social responsibility of enterprises lies not only in creating profits but also in promoting sustainable development of the industry.