地理学是研究地球作为人类家园的科学。

The first step in liquidating a people is to erase its memory. Destroy its books, its culture, its history. Then have somebody write new books, manufacture a new culture, invent a new history. Before long the nation will begin to forget what it is and what it was.

阅读优秀文学作品是学会自由的最佳途径。