Leonardo da Vinci - Eye Quotes

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The painter who draws merely by practice and by eye, without any reason, is like a mirror which copies every thing placed in front of it without being conscious of their existence.

Leonardo da Vinci
The mole has very small eyes and it always lives under ground; and it lives as long as it is in the dark but when it comes into the light it dies immediately, because it becomes known;--and so it is with lies.

Leonardo da Vinci
Now do you not see that the eye embraces the beauty of the whole world? It counsels and corrects all the arts of mankind... it is the prince of mathematics, and the sciences founded on it are absolutely certain. It has measured the distances and sizes of the stars it has discovered the elements and their location... it has given birth to architecture and to perspective and to the divine art of painting.

Leonardo da Vinci
If you, historians or poets or mathematicians, had not seen things through your eyes, you would only be able to report them poorly by writing. And if you, poet, claim to portray a story as if painting with your pen, the painter with his brush will more readily satisfy and will be understood less tediously. If you assert that painting is dumb poetry, then the painter may call poetry blind painting.

Leonardo da Vinci
The eye, which is said to be the window of the soul, is the primary way in which the sensory receptacle of the brain may more fully and magnificently contemplate the infinite works of nature, and the ear is the second, gaining nobility through the recounting of things which the eye has seen.

Leonardo da Vinci
The instant the atmosphere is illuminated it will be filled with an infinite number of images which are produced by the various bodies and colours assembled in it. And the eye is the target, a lodestone, of these images.

Leonardo da Vinci
The eye so soon as ever it is opened beholds all the stars of our hemisphere.

Leonardo da Vinci
The eye which turns from a white object in the light of the sun and goes into a less fully lighted place will see everything as dark.

Leonardo da Vinci
You know that in an atmosphere of uniform density the most distant things seen through it, such as the mountains, in consequence of the great quantity of atmosphere which is between your eye and them, will appear blue. Therfore you should make the building... wall which is more distant less defined and bluer.... five times as far away make five times as blue.

Leonardo da Vinci
The worst evil which can befall the artist is that his work should appear good in his own eyes.

Leonardo da Vinci
Take a piece of glass of the size of a half sheet of royal folio paper, and fix it... between your eye and the object you wish to portray. Then move it away until your eye is two-thirds of a braccio away from the piece of glass, and fasten your head by means of an instrument in such a way as to prevent any movement of it whatsoever. Then close or cover up one eye, and with a brush or a piece of red chalk finely ground mark out on the glass what is visible beyond it; afterwards, copy it by tracing on paper from the glass, then prick it out upon paper of a better quality and paint it if you so desire, paying special attention to the aerial perspective.

Leonardo da Vinci
Experience shows us that the air must have darkness beyond it and yet it appears blue. If you produce a small quantity of smoke from dry wood and the rays of the sun fall on this smoke, and if you then place behind the smoke a piece of black velvet on which the sun does not shine, you will see that all the smoke which is between the eye and the black stuff will appear of a beautiful blue colour. And if instead of the velvet you place a white cloth smoke, that is too thick smoke, hinders, and too thin smoke does not produce, the perfection of this blue colour. Hence a moderate amount of smoke produces the finest blue.

Leonardo da Vinci
The soul is content to stay imprisoned in the human body... for through the eyes all the various things of nature are represented to the soul.

Leonardo da Vinci
The soul seems to reside in the judgment, and the judgment would seem to be seated in that part where all the senses meet; and this is called the Common Sense and is not all-pervading throughout the body, as many have thought. Rather is it entirely in one part. Because, if it were all-pervading and the same in every part, there would have been no need to make the instruments of the senses meet in one centre and in one single spot; on the contrary it would have sufficed that the eye should fulfil the function of its sensation on its surface only, and not transmit the image of the things seen, to the sense, by means of the optic nerves, so that the soul — for the reason given above — may perceive it in the surface of the eye.

Leonardo da Vinci
The eye can best distinguish the forms of objects when it is placed between the shaded and the illuminated parts.

Leonardo da Vinci
If you wish to thoroughly accustom yourself to correct and good positions for your fingers, fasten a frame or a loom divided into squares by threads between your eye and the nude figure which you are representing, and then make the same squares upon the paper where you wish to draw the said nude but very faintly. You should then put a pellet of wax on a part of the network to serve as a mark which as you look at your model should always cover the pit of the throat, or if he should have turned his back make it cover one of the vertebrae of the neck.... The squares you draw may be as much smaller than those of the network in proportion as you wish your figure to be less than life size...

Leonardo da Vinci
There are three aspects to perspective. The first has to do with how the size of objects seems to diminish according to distance: the second, the manner in which colors change the farther away they are from the eye; the third defines how objects ought to be finished less carefully the farther away they are.

Leonardo da Vinci
The eye — which sees all objects reversed — retains the images for some time. This conclusion is proved by the results; because, the eye having gazed at light retains some impression of it. After looking (at it) there remain in the eye images of intense brightness, that make any less brilliant spot seem dark until the eye has lost the last trace of the impression of the stronger light.

Leonardo da Vinci
All objects transmit their image to the eye in pyramids, and the nearer to the eye these pyramids are intersected the smaller will the image appear of the objects which cause them.

Leonardo da Vinci
Blind ignorance misleads us thus and delights with the results of lascivious joys. Because it does not know the true light. Because it does not know what is the true light. Vain splendour takes from us the power of being.... behold! for its vain splendour we go into the fire, thus blind ignorance does mislead us. That is, blind ignorance so misleads us that... O! wretched mortals, open your eyes.

Leonardo da Vinci
The spirit has no voice, because where there is a voice there is a body, and where there is a body space is occupied, and this prevents the eye from seeing what is placed behind that space; hence the surrounding air is filled by the body, that is by its image.

Leonardo da Vinci
It is impossible that the eye should project from itself, by visual rays, the visual virtue, since, as soon as it opens, that front portion [of the eye] which would give rise to this emanation would have to go forth to the object and this it could not do without time. And this being so, it could not travel so high as the sun in a month's time when the eye wanted to see it.

Leonardo da Vinci
Observe the light and consider its beauty. Blink your eye and look at it. That which you see was not there at first, and that which was there is there no more.

Leonardo da Vinci
Why does the eye see a thing more clearly in dreams than with the imagination being awake?

Leonardo da Vinci
I give the degrees of things seen by the eye as the musician does of the sounds heard by the ear.

Leonardo da Vinci