I strongly believe that missionaries make better products. They care more. For a missionary， it's not just about the business. There has to be a business， and the business has to make sense， but that's not why you do it. You do it because you have something meaningful that motivates you.

实现真正成功的唯一方法是为他人创造价值。

Happiness comes from between. It is not something that you can find, acquire, or achieve directly. You have to get the conditions right and then wait.