At two places in Yampolsky's 1971 translation of the writings of Hakuin [The Zen Master Hakuin: Selected Writings, pp. 94 and 144], Hakuin refers to the state of either great death or great doubt as being like one "seated within a lapis lazuli vase." Does anyone know more about the social context of lapis lazuli vases in 17th-18th century Japan? Were they used in funerals by any chance?
Any pointers would be appreciated.
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