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。
Every ton of coal we extract must create maximum value with minimum environmental impact.
The world needs more people who are willing to challenge the status quo.
Leadership is about making tough decisions today that will benefit future generations.
我们在自然知识中前进得越远，就越发现最普遍的定律是最简单的。