农业效率必须与生态限制相协调——我们无法超越自然。
地理学是关于地方的科学,而不是关于人的科学。
I don’t care about the past, I care about the future.
你必须愿意努力工作,并专注于你的目标。
The problem of the modern individual is not that he has too little choice, but that he has too much.
The best economic insights come from observing how people actually behave.