人不仅是一种生物存在，也是一种历史存在。
长夜黑暗，处处险恶。
Words were not given to man in order to conceal his thoughts.
地理学是研究地球作为人类家园的科学。
"The universe is a big place, perhaps the biggest."
在每个流亡者的心中，都有一个永远不会离开的故乡。