一个人做了好事应当忘记,不要念念不忘,更不要希冀别人回报。
人类远比他们知道的要大。
The challenges of today's coal industry require bold leadership and vision.
The quality of an organization can never exceed the quality of the minds that make it up.
在暴君有权杀死一个国家的权利被证明之前,一个国家在必要时杀死暴君的权利永远不会被怀疑。