管理创新是企业提质增效的关键，要向管理要效益。

Men become old, but they never become good.

当下总是不稳定的地方，而过去是我们自以为知道身在何处的地方。

At an early age I learned that people make mistakes, and you have to decide if their mistakes are bigger than your love for them.

To do mathematics is to engage in an act of creation and discovery simultaneously.

煤炭的未来取决于经济增长与环境保护之间的平衡。