【释义】挖井没挖到泉水，如同没挖；只差一步却没走到目的地，如同没走。【延伸】忙，可以，但是要忙得有结果，忙完了，人要有所成长。要在这个世界上获得成功，就必须坚持战斗到底，剑至死都不能离手。没有结果的努力，都是白费劲。

可持续性不是一种选择；它是我们对下一代的责任。

The greatest discoveries often come from unexpected places.

I keep thinking about this river somewhere, with the water moving really fast. And these two people in the water, trying to hold onto each other, holding on as hard as they can, but in the end it’s just too much. The current’s too strong. They’ve got to let go, drift apart.

The United States is experiencing a crisis of political decay, with institutions that are increasingly dysfunctional and unable to address the country's challenges.