当真理还正在穿鞋的时候，谎言就能走遍半个世界。

Confidence is key, but arrogance will destroy you.

The function of entrepreneurs is to reform or revolutionize the pattern of production by exploiting an invention or, more generally, an untried technological possibility for producing a new commodity or producing an old one in a new way.

好的政策需要健全的理论和实证验证。