Is a necessary contribution to its subsistence.

对于生存都是必需品
The earth feeds people, clothes them...

地球给予人类衣食
And provides for their daily needs.

提供日常所需
Everything comes from the earth.

一切都源于地球
Towns change humanity's nature, as well as its destiny.

城镇改变了人类的天性以及他们的命运
The farmer becomes a craftsman, trader or peddler.

农民变成了工匠商人或者小贩
What the earth gives the farmer,

地球给予农民的东西
The city dweller buys, sells or barters.

城市居民用来买卖或者易物交换
Goods change hands,

商品不停易主
Along with ideas.

思想随之传播
Humanity's genius is to have always had a sense of its weakness.

人类的智慧在于总能感受到自身的脆弱
Humans tried to extend the frontiers of their territory,

人类试图拓宽疆土