The real wealth of a nation grows from its soil.

The Celts have a close affinity with nature.

The most important thing in communication is hearing what isn't said.

天地本有固定的运行规律，日月本有自身的光明，星辰本有自身的序列，禽兽各有群体，树木本就直立，先生你也依仿自然天性行事，顺着自然规律前进，这已经是极好的了。

I don’t compete with others, I compete with myself.

The difference between correlation and causation is not just academic—it can have profound policy implications.