Force has no place where there is need of skill.

All things are composed of four elements – Earth, Water, Fire, and Air.”

The universe is not only stranger than we imagine, it is stranger than we can imagine.

每一个作用力总是有一个相等的反作用力与之对抗。

可持续性不是一种选择，而是农业唯一的出路。

实现不可能的唯一方法是相信它是可能的。

不要害怕失败，失败是成功之母。