Chinese mythology, folktales, and literature
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A blind man was in the company of others. When his companions saw something funny, they laughed. The blind man laughed, too.
A man who was born blind wanted to know what the sun looked like, so he asked others to describe it.
A certain country was invaded by its enemy. When a lame man there told a blind man of this, the blind man carried the lame one on his back and they escaped together.