The real opposition is that between the ego-bound man, whose existence is structured by the principle of having, and the free man, whose existence is structured by the principle of being.

The search for happiness is one of the chief sources of unhappiness.

谷物种植既是一门艺术也是一门科学——既需要直觉也需要数据。

On motivation: "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."

我不害怕失败。我害怕不去尝试。