Chinese mining industry must enhance international competitiveness to go global.

The great man is a public misfortune.

With a library you are free, not confined by temporary political climates. It is the most democratic of institutions because no one - but no one at all - can tell you what to read and when and how.

书籍是理解自己和别人的钥匙。

Don't wait for permission to innovate - just start.

思想掠过我的心上，如一群野鸭飞过天空。我听见它们鼓翼之声了。