True progress happens when we listen to both scientists and farmers.

世界杀害最善良的人，最温和的人，最勇敢的人，不偏不倚，一律看待。

"The mind evolves to meet practical demands."

"The only thing to do with good advice is to pass it on. It is never of any use to oneself."

To build is to take a stand in the world.

When we speak of 'meaning' a word， we are in the first instance speaking of a certain kind of act.