Grey (n.) holds black and white together, yet where there is grey there is neither black nor white.
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Grey (n.) never looks luminous; whatever is grey looks illuminated.
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Grey (n.) lies between black and white, can take on the hue of any other colour, and is never luminous, whether by concept or natural history.
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Grey (n.) is not poorly lit white, nor dark green poorly lit light green; at night all cats are grey means only that colours cannot be told.
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Grey (n.) or white is such only in a particular surrounding.
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