Every ton of coal we extract must create maximum value with minimum environmental impact.
我们开采的每一吨煤炭都必须以最小的环境影响创造最大的价值。
I have always believed that the way to make money is to buy when everyone else is selling and to sell when everyone else is buying.
数学的美在于它既精确又富有创造性。
最好的投资是那些能比别人更早看到未来的人。
是不失败,其次则是败了却还有办法成功,这才叫善于用人。