“您90多岁了还坚持工作，您的动力来自哪里？您的初心是什么？”洛阳一群“90后”青年看望陈俊武时问道。

One ought never to turn one's back on a threatened danger and try to run away from it. If you do that, you will double the danger. But if you meet it promptly and without flinching, you will reduce the danger by half.

任何经济理论的最终检验标准是它是否能改善现实世界的决策。