Sometimes the depth of his feelings about things is hard to ascertain because there's no tonal variation.

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And the fact that there's no tonal variation actually means that you miss a lot of the meaning of the things that he says.

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Dine alternates among charcoal, India ink, litho crayon and other drawing tools, often on the same pieces, giving a lesson in the possibilities of tonal variation using implements that must have been high tech before the Renaissance.

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