我们必须自由,不是因为我们宣称自由,而是因为我们践行自由。
以诚待物,真诚是通行天下的原则。
The more you dwell in the past, the less you prepare for the future.
Success is not final, failure is not fatal: It is the courage to continue that counts.
Technological innovation is the fundamental way to solve the problems of the coal industry.
Every building is a kind of confession.