残酷的不是这个世界，而是世界里的人。

Sustainability must be profitable, or it won't be sustainable—this is the challenge we must solve in modern farming.《The Grain Frontier》

心灵是一个动态的调节系统。

"Language is the skin of thought."

The world is not run from where he thinks. Not from castle walls, but from countinghouses, not by the call of the bugle but by the click of the abacus, not by the grate and click of the broadsword but by the scrape of the pen.