Colors

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aprile 10, 2026

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aprile 10, 2026

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"[L]ight ...is the colour of the transparent medium contingently determined; for when anything of the nature of fire is found in the transparent medium its presence constitutes light, its absence darkness. ...[T]he transparent element is nothing which is found exclusively ...in any one of the substances ...it ...finds its existence in these bodies and subsists in varying degrees in the rest of material substances. ...[T]he Pythagorean terminology identified the visible superficies with colour. ...[C]olour exists in the boundary, but it by no means is the boundary of the body ...internally there exists the same constitution as externally displays colour. ...Colour ...is the limit of the transparent element in a determinately bounded body ...both in transparent substances ...and in those which appear to have a surface colour of their own. ...[T]hat, which in air causes light, may be present in the transparent medium or it may not ...[W]hite and black may be juxtaposed in such a way that by the minuteness of the division of its parts each is invisible while their product is visible, and thus colour may be produced. This product can appear neither white nor black ...it must be a sort of compound and a fresh kind of tint. ...[C]olours ...may be produced, and ...their multiplicity is due to differences in the proportion of their composition. ...[C]olours may ...be analogous to harmonies. ...[T]hose compounded according to the simplest proportions ...as is the case in harmonies, will appear to be the most pleasant ...e.g. , ...This is one of the ways in which colours may be produced; a second is effected by the shining of one colour through another. This we may illustrate by the practice ...by painters when they give a wash of colour over another more vivid tint, when, for example, they wish to make a thing look as though it were in the water or in the air. ...[W]e may illustrate by the sun, which in itself appears white, but looks red when seen through mist and smoke. ...[W]e should have to suppose there was some ratio between the superficial and the underlying tints in ...some colours, while in others there would be ...lack of commensurate proportion. ...[Thus ...it is absurd to maintain, with the early philosophers, that colours are effluxes and that vision is effected by a cause of the efflux type. It was in every way binding on them to account for sensation by means of contact, and therefore it was obviously better to say that sensation was due to a movement set up by the sense object in the medium of sensation, and thus account for it by contact without the instrumentality of effluxes.] According to the theory of juxtaposition, just as we must assume that there are invisible spatial quanta, so must we postulate an imperceptible time to account for the imperceptibility of the diverse stimuli transmitted to the sense organ... But on the other theory there is no such necessity; the surface colour causes different motions in the medium when acted on and when not acted on by an underlying tint. Thus it appears to be something different, and neither black nor white. ...But let us premise that substances are mixed not merely in the way some people think by a juxtaposition of their ultimate minute parts ...imperceptible to sense but that they entirely interpenetrate each other in every part throughout ...The former theory accounts for the mixture only of those things which can be resolved into ultimate least parts ...On the other hand, things which cannot be resolved into least parts, cannot be mingled in this way; they must entirely interpenetrate each other; and these are the things which most naturally mix. ...[W]hen substances are mixed their colours too must be commingled, and that this is the supreme reason why there is a plurality of colours; neither superposition nor juxtaposition is the cause. In such mixtures the colour does not appear single when you are at a distance and diverse when you come near; it is a single tint from all points of view. The reason for the multiplicity of colours will be the fact that things which mix can be mixed in many different proportions ...[T]he same account will apply to the juxtaposition or superposition of colours as to their mixture. [T]hey, and likewise tastes and sounds, have definite species limited in number..."

- Colors

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"Loudness depends on the quantity of the sound. Of the harmony of sounds I will hereafter speak. Colors are a flame which emanates from all bodies having particles corresponding to the sense of sight. Some of the particles are less and some greater, and some are equal to the parts of the sight. The equal particles are transparent, the larger contract, and the lesser dilate the sight; is produced by the dilatation, black by the contraction, of the particles of sight. There is also a swifter motion of another sort of fire which forces a way into the passages of the eyes, and elicits from them a union of fire and water which we call tears. The fires from without and within meet and are extinguished in the tear-drop, and all sorts of colors are generated in the mixture. This affection is termed by us dazzling, and is produced by a flash. There is yet another sort of fire which mingles with the moisture of the eye without flashing, and produces a color like blood—to this we give the name of red. Again, the bright element mingling with the red and white produces a color which we call auburn. The law of proportion, however, in which the several colors are formed, cannot be determined scientifically or even probably. Red, when mingled with black and white, gives a hue, which becomes when the colors are burnt and a greater portion of black is added. Flame-color is a mixture of auburn and dun; dun of white and black; pale of white and auburn. White and light meeting, and falling upon a full black, become dark ; dark blue mingling with white becomes a light blue; the union of flame-color and black makes leek-. There is no difficulty in seeing how other colors are probably composed. But he who should attempt to test the truth of this in fact, would forget the difference of the human and divine nature. God only is able to compound and resolve substances; such experiments are impossible to man."

- Colors

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"The terms relative to colour, occurring in the Bible, may be arranged in two classes, the first including those descriptive of natural objects, the second the artificial mixtures employed in dyeing and painting. ...[A]n exact terminology of colours is of modern growth. Ancient peoples, even so artistic a nation as the Greeks, used the names of colours very vaguely. The had not the artistic faculty at all strongly developed, and their names for colours, especially those of the first class, cannot be interpreted in any hard and fast manner. (1) The natural colours noticed in the Bible are , black, red, and . ...green is apparently applied more to the freshness and beauty of vegetation than to... colour; while yellow (used very seldom) is difficult to discriminate from some shade of green. White is prominent, especially as representing light, which deeply impressed the Heb. mind... by its divine symbolism, and its profound moral connotation. Black is prominent also as the physical and moral opposite of white... Red was also vividly appreciated by the Hebrew, as the colour of blood (the sacred principle of life), of wine, and of many natural objects, especially perhaps the red soil and red cliffs... (2) Artificial colours. ...there is no evidence ...that the Hebrews of the period of the Exodus were themselves acquainted with the art of dyeing. They were probably indebted ...to the Egyptians and the ns, to the latter for the dyes and to the former for the processes. The principal dyes were purples, light and dark... and crimson... was introduced at a late period. (a) '... well known and valued over the whole ancient world, was obtained from the secretion of a... shell-fish, the Murex trunculus of Linnaeus... probably a lighter shade, in which red predominated over blue; while the darker purple, a violet was produced from another species of shell-fish. ...Robes of purple were the characteristic decoration in antiquity of kings... the highest officers, civil and religious ...the wealthy and luxurious ...(b) ' This dye was procured from a species of shell-fish found on the coast of Phoenicia, and called by modern naturalists Helix lanthina. ...it was emblematic of ...the deep, dark hue of the Eastern sky. (c) Scarlet ('...) [T]he worm or grub whence the dye was procured... was a insect... found in considerable quantities in Armenia, Palestine, and other Eastern countries... ) The tint produced was crimson rather than scarlet. The only natural object to which it is applied in Scripture is the lips... It was the characteristic colour of the soldier's dress, especially in the Roman armies. (d) Vermilion... was a pigment of mineral extraction used in fresco paintings... or for decorating the walls and beams of houses... Vermilion was a favourite colour among the Assyrians... Symbolical and mystical meanings of colours. ...White is associated with moral purity and innocence ...with joy, festival, and victory ...Black is the symbol of evil, misery, and death ...Red and also scarlet are connected ...with war and bloodshed ...A deeper significance, more appropriate to the special divine purpose ...particularly in the three characteristic colours of the tabernacle hangings, the cloths of service, and the vestments of the high-priest. Blue, purple, and scarlet frequently occur; and as purple is produced by the mixing of the other two, it has been remarkably suggested by some writers that, as blue is the colour of the sky, and scarlet of human life or blood (note ...the etymological connexion between ādām, "man," and ādâm, "to be red"), so the combination of the two is intended to suggest the Incarnation. ...[I]n the theophanies of Ezk.8.2, Rev.4.3, two different tints are alluded to (a bright white and a glowing red), which have been thought to suggest the two aspects of God's moral nature, light and fire, mercy and justice; or love in its two aspects of pardon and correction. ...[T]he colours of the Bible convey in many cases more than the literal meaning..."

- Colors

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"[T]he blue which is seen in the atmosphere is not its own colour, but is caused by the heated moisture having evaporated into the most minute imperceptible particles, which the beams of the solar rays attract and cause to seem luminous against the deep intense darkness of the region of fire that forms a covering above them. ...As a further example of the colour of the atmosphere, we may take the case of the smoke produced by old dry wood, for as it comes out of the chimneys it seems to be a pronounced blue when seen between the eye and a dark space, but as it rises higher and comes between the eye and the luminous atmosphere, it turns immediately to an ashen grey hue, and this comes to pass because it no longer has darkness beyond it... But if this smoke comes from new green wood, then it will not assume a blue colour, because... it is not transparent... [I]f the atmosphere had this transparent blue as its natural colour, it would follow that wherever a greater quantity of atmosphere came between the eye and the fiery element, it would appear of a deeper shade of blue, as is seen with blue glass and with sapphires, which appear darker in proportion as they are thicker. ...We may also observe the difference between the atoms of dust and those of the smoke seen in the sun’s rays as they pass through the chinks of the walls in dark rooms, that the one seems the colour of ashes, and the other—the thin smoke—seems of a most beautiful blue. We may see also, in the dark shadows of mountains, far from the eye, that the atmosphere which is between the eye and these shadows will appear very blue, and in the portion of these mountains which is in light, it will not vary much from its first colour."

- Colors

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