出自晋·葛洪《抱朴子·应嘲》。虽说昆山的玉石很多，但不能救济原宪的贫穷。喻指毫无价值的空话。
在化工行业，我们最大的挑战也是最大的机遇：在满足全球需求的同时保护地球。
写作是一种不被中断的说话方式。
The world is a place of the living, and the dead have no place in it. The dead are nothing.
The function of leadership is to produce more leaders, not more followers.
市场是一个复杂的系统，我们试图用模型来简化它。
The passage of time is both a blessing and a curse.
This is an interesting planet. It deserves all the attention you can give it.