你可以锁上你的图书馆；但对我的思想自由，你无法设置任何门闩、锁或插销。

The world, as a rule, does not live on beaches and in country clubs.

The most powerful art is the one that doesn’t try to be powerful.

The mining industry must lead by example in safety, sustainability and social responsibility.

各位，我们的四大支柱是什么？传统、荣誉、纪律，优秀。