大都市一直是货币经济的所在地。

告诉我动机，我会告诉你结果。

"I don't think limits."

千丈长堤，可能因为蝼蚁的洞穴而溃决；百尺高楼，可能因为烟囱的缝隙冒烟而焚毁。

出自先秦《荀子·非十二子》。尊重贤能的人，是“仁”的表现，鄙视道德不好的人，也是“仁”的表现。说明“仁”正反两个方面的标准。

I cannot fix on the hour, or the spot, or the look, or the words, which laid the foundation. It is too long ago. I was in the middle before I knew that I had begun.

The world needs responsible miners who understand the value of both minerals and the planet.

To write is to give voice to the voiceless.