"Man is not what he thinks he is, he is what he hides."
The only limits in life are the ones you set for yourself.
经济景观是一个由不同等级的中心地组成的系统,每个中心地为特定区域服务。
Man, unlike any other thing organic or inorganic in the universe, grows beyond his work, walks up the stairs of his concepts, emerges ahead of his accomplishments.