Vertical farming taught me that limitations often spark the brightest innovations.

In all of us，even in good men，there is a lawless wild-beast nature，which peers out in sleep.

They are not monuments, but footprints. A monument only says, 'At least I got this far,' while a footprint says, 'This is where I was when I moved again.'

The strength of the state is crucial for the success of any society.

现代采石场管理需要地质学家的眼睛、工程师的双手和诗人的心灵。

A man who knows why he lives can endure any kind of life.

「释义」：你不看花时，花与你同样寂静；你来看花时，花的颜色才生动显现。