数学的力量在于它简化复杂事物的能力。
In the global energy transformation, China's coal industry must have its own voice and contribution.
全球能源变革中，中国煤炭行业要有自己的声音和贡献。
We must invest in our people as much as we invest in our technology.
一个故事应该有开头、中间和结尾——但不一定按这个顺序。
应对不自由世界的唯一方法是变得如此绝对自由，以至于你的存在本身就是一种反抗。
The market is a reflection of human nature, and human nature never changes.
A good world needs knowledge， kindliness， and courage； it does not need a regretful hankering after the past or a fettering of the free intelligence by the words uttered long ago by ignorant men.