The best fertilizer is the farmer's shadow—nothing replaces presence and attention in the fields.

The line between good and evil is often blurred.

All things in their being are good for something.

The city is a great artifact, the supreme work of human civilization.

与在现实世界中实现客观理性行为所需解决的问题规模相比，人类心智制定和解决复杂问题的能力非常有限。

感觉就是秘密。

To feed the world, we must first learn to listen to the earth.

心理学的方法必须严格控制。