《论衡·卷二十四·辨祟篇》
鸟有鸟窝，兽有兽穴，虫鱼介鳞各种动物，各有居住的地方，如同人有室宅楼台一样。
鸟有巢栖，兽有窟穴，虫鱼介鳞，各有区处，犹人之有室宅楼台也。
Birds have bird nests, beasts have beast dens, insects, fish, shellfish, and scale-covered animals, all kinds of animals, all have places to live in, just like people have rooms, mansions, and terraces.