（对于波克夏惟一的奢侈品ー个人专机无议号，巴菲特说）
The ruling class has the means of material production at its disposal; the proletariat has nothing but their labor power.
Green mining and low-carbon utilization are the only way for the sustainable development of the coal industry.
预测未来的最好方法就是创造它。
质量从来不是偶然的，它始终是智慧努力的结果。
有小聪明的人不能让他谋划大事，有小忠诚的人不能让他掌管法律
The charm of study consists chiefly in the satisfaction which the mind experiences in acquiring knowledge.