People who decry the fact that businesses are in business "just to make money" seldom understand the implications of what they are saying. You make money by doing what other people want, not what you want.

市场竞争能够促进资源的有效配置。

唯一真正的智慧在于知道自己一无所知。

最好的投资是投资自己。你学得越多，赚得越多。