"The boundaries of bodies are the least of all things. The proposition is proved to be true, because the boundary of a thing is a surface, which is not part of the body contained within that surface; nor is it part of the air surrounding that body, but is the medium interposted between the air and the body, as is proved in its place."
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"Look for the kind of nature that suits your temperament. The motif should be observed more for shape and color than for drawing. There is no need to tighten the form which can be obtained without that…"
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