在煤炭行业，今天的效率决定明天的存亡。

States are rational actors, and they will always act in their own self-interest.

对于有知识的人来说，言语是最好的展示。

Success in agriculture starts with respecting the land and understanding its rhythms.

The key to success is persistence.

Government, even in its best state, is but a necessary evil; in its worst state, an intolerable one.

文学的美在于它让我们在一生中活出千种人生。