Yiduan

Infobox Buddhist biography
name = Yīduàn


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birth_place = China
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nationality = Chinese
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school =Ch'an
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title = Ch'an master
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Yīduàn (義端) was a 12th century Chinese monk of the Chan (禪) school of Buddhism.

Yiduan is notable for the saying "Language is a sham, silence a lie, but beyond language and silence a road goes by" (語是謗, 寂是誑, 語寂向上有路在).