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19.2 · The inner fire filtered through the eyes
I.52.19.2 · Wachsmuth pp. 486-487
“For they made the pure fire within us, which is akin to this fire, flow through the eyes in a smooth, compact stream. They compressed the entire eye, especially its center, so that it would hold back all the other, coarser material and filter through only this pure fire.”1997
19.3 · Inner and outer light join
I.52.19.3 · Wachsmuth pp. 487
“When daylight surrounds the stream of vision, like then issues toward like; joining firmly with it, it forms one kindred body along the eyes’ direct line of sight, wherever what strikes from within presses against what it encounters outside.”1998
19.4 · Transmission to the soul and the coming of night
I.52.19.4 · Wachsmuth pp. 487
“Because of its likeness, the whole body comes to share the same affections. Whatever it touches, and whatever else touches it, it transmits their movements throughout the body as far as the soul, producing the perception by which we say that we see. But when the kindred fire departs into night, the stream is cut off. For on issuing toward what is unlike itself, it is altered and extinguished, no longer growing together with the neighboring air, since that air contains no fire.”1999
19.5 · The eyelids and sleep
I.52.19.5 · Wachsmuth pp. 487
“The perceiver therefore ceases to see, and the condition also induces sleep. For when one closes the eyelids, that structure which the gods contrived to safeguard sight, it confines the power of the fire within. This power spreads out and smooths the internal movements. When they are smoothed, quiet arises; and when the quiet is great, sleep with few dreams follows.”2000
19.6 · Residual movements and dreams
I.52.19.6 · Wachsmuth pp. 487
“But if some stronger movements remain, then, according to their character and the places where they remain, they produce images corresponding in kind and number, formed as likenesses within and remembered by those awakened from outside.”2001
19.7 · Images on smooth surfaces
I.52.19.7 · Wachsmuth pp. 487-488
“It is no longer at all difficult to understand the production of images in mirrors and in all clear, smooth surfaces. For through the sharing of the inner and outer fires with one another, and their repeatedly becoming one at the smooth surface and being reshaped in many ways, all such appearances necessarily arise: the fire around the face joins firmly with the fire of vision as it forms at the smooth, bright surface.”2002
20.1 · The class of colors
I.52.20.1 · Wachsmuth pp. 488
⟨In the same work.⟩ [For the section on colors.]
“There is a perceptible class for us to distinguish, containing many varieties within it, all of which we have called colors: a flame flowing from each body, with particles proportioned to sight so as to be perceived. As for sight, the matter of the causes of its generation was discussed earlier.”2003
20.2 · Particles and the visual stream
I.52.20.2 · Wachsmuth pp. 488
“Accordingly, this is the most likely way to proceed concerning colors, and it would be fitting for a reasonable person to explain in words: the particles traveling from other things and striking the visual stream are some smaller, some larger, and some equal to the parts of that visual stream itself.”2004
20.3 · Transparency, contraction, and expansion
I.52.20.3 · Wachsmuth pp. 488-489
“The equal particles we call imperceptible and transparent. The larger and smaller ones, the former contracting the visual stream and the latter expanding it, are akin to the hot and cold acting on flesh, and to the astringent acting on the tongue and all the heating things we called pungent. These would be white and black: the same affections as those others, occurring in a different class, but appearing different for these reasons.”2005
20.4 · White, black, and a more violent fire
I.52.20.4 · Wachsmuth pp. 489
“They should therefore be named as follows: what expands the visual stream is white, and its opposite black. A swifter motion, belonging to another kind of fire, strikes and expands the visual stream all the way to the eyes, forces its way through the eyes’ own passages, and pours from them a mass of fire and water, which we call a tear; itself fire, it meets this from the opposite direction.”2006
20.5 · Dazzling brightness
I.52.20.5 · Wachsmuth pp. 489
“With one fire leaping out as though from lightning and the other entering and being quenched in the moisture, all sorts of colors arise in this circling motion. We have called the experience dazzling flashes, and have named what produces it bright and gleaming.”2007
20.6 · Red and golden yellow
I.52.20.6 · Wachsmuth pp. 489
“The intermediate kind of fire reaches the moisture of the eyes and blends with it without gleaming. By giving a bloodlike color to the fire’s radiance as it mingles through the moisture, it receives the name red. Brightness mixed with red and white becomes golden yellow.”2008
20.7 · The limits of specifying proportions
I.52.20.7 · Wachsmuth pp. 489
“As for how great the measure is and how great it is not, even if someone knew, it makes no sense to state it, when one could offer neither any necessary explanation nor even a moderately likely account of it.”2009
20.8 · Purple, dusky, flame red, gray, pale yellow
I.52.20.8 · Wachsmuth pp. 489-490
“Red blended with black and white becomes purple, and becomes dusky when more black is blended with these after they have been mixed and burned. Flame red arises from a blending of golden yellow and gray, gray from white and black, and pale yellow from white mixed with golden yellow.”2010
20.9 · Blue and green mixtures
I.52.20.9 · Wachsmuth pp. 490
“White combined with brightness and falling into deep black produces a dark blue color; dark blue blended with white produces pale blue, and flame red with black produces leek green. From these the others are fairly clear: one can infer the mixtures by which they would be reproduced while preserving the likely account.”2011