心不清则无以见道志不确则无以立功。
释义：内心纷杂不净，难以领悟真理；意志不坚定，难以成就功业。
管理创新是企业提质增效的关键，要向管理要效益。
Sometimes the simplest things are the most powerful.
The real contest is always between what you've done and what you're capable of doing. You measure yourself against yourself and nobody else.
自然实验可以为经济问题提供有价值的见解。
I am not a hero of mathematics. I'm not even that successful; that is why I don't want to have everybody looking at me.
过去并不属于我们，而我们属于过去。
城市是一个活生生的有机体。