Deng, a calligrapher in Qing Dynasty, wrote a couplet: "The sea is the world of dragons, and the sky is the hometown of cranes".
This sentence was not a famous sentence at first, but it was wrongly written by Qi Baishi, a master of Chinese painting, as "the sea is the world of dragons and the cloud is the hometown of cranes". The difference between "heaven" and "cloud" made it a household name and became a favorite sentence written by calligraphers.
Does the old man Baishi really have the ability to "turn stone into gold"?
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