当股票有吸引力时，你就买它们。当然，它们可能会跌得更低。我买过12美元的股票，后来跌到2美元，但后来又涨到30美元。

The iron rule of nature is: you get what you reward for. If you want ants to come, you put sugar on the floor.

I'm very shy, believe it or not.

The purpose of art is to make the world a better place.

Don't be afraid of challenges, because they make you grow.

密码学是将信息转换成一种形式，使任何没有解锁密钥的人都无法理解的艺术。

When basic needs are insecure, all idealism withers.

农业的成功不仅仅关乎产量，还关乎为后代守护土地的责任。