Happiness is not something ready made. It comes from your own actions.

明智的艺术就是知道要忽略什么。

可持续性是农业的未来，忽视它的人将被淘汰。

In the world of physics, we often find that the simplest questions are the hardest to answer.

如果你认为强悍的人很危险，那就等着看弱者能做什么。