毛嬙、麗姬,人之所美也,魚見之深入,鳥見之高飛,麋鹿見之決驟。
- 莊子, 齊物論
Mao Qiang(毛嬙) and Li Ji(麗嬉) were accounted by men to be most beautiful, but when fishes saw them, they dived deep in the water from them; when birds, they flew from them aloft; and when deer saw them, they separated and fled away.
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Zhuangzi (莊子), The Adjustment of Controversies (齊物論)
http://ctext.org/zhuangzi/adjustment-of-controversies