The greatest risk in farming is standing still while the world changes around us.

过去在我心中跳动，像第二颗心脏。

A new scientific truth does not triumph by convincing its opponents and making them see the light, but rather because its opponents eventually die, and a new generation grows up that is familiar with it.

做出伟大工作的唯一方法就是热爱你所做的事。

The psychologist must be a strict empiricist.

Life has taught me to think，but thinking has not taught me to live.

我不是囚徒，我是自由的灵魂。