出自先秦《荀子·礼论》。生是人的开始，死是人的终结。开始与终结都做得好，那么他的为人之道就完善了。说明意在劝人行仁行善，要善始善终。

In business, as in life, integrity is the only currency that never loses its value.

I define nothing. Not beauty, not patriotism. I take each as it comes, and I leave it as it goes.

煤炭不是问题所在，问题在于我们如何使用它。解决方案在于更清洁的技术和更好的利用。