生活是一段旅程，我们必须为我们遇到的意外曲折做好准备。

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.

我有足够的财富来保持诚实。

经济学是对人类日常生活事务的研究。