O sleepers! what a thing is slumber! Sleep resembles death. Ah, why then dost thou not work in such wise as that after death thou mayst retain a resemblance to perfect life, when, during life, thou art in sleep so like to the hapless dead? Leonardo da Vinci More Quotes by Leonardo da Vinci More Quotes From Leonardo da Vinci The first of all simple colours is White ... We shall set down White for the representative of light, without which no colour can be seen; Yellow for the earth; Green for water; Blue for air; Red for fire; and Black for total darkness. Leonardo da Vinci light fire air Demetrius was wont to say that there was no difference between the words and speech of the unskilled and ignorant and the sounds and rumblings caused by the stomach being full of superfluous wind. This he said, not without reason, for, as he held, it did not in the least matter from what part of them the voice emanated, whether from the lower parts or the mouth, since the one and the other were of equal worth and importance. Leonardo da Vinci differences voice wind Medicine is the restoration of discordant elements. Leonardo da Vinci restoration medicine elements When you are painting you should take a flat mirror and often look at your work within it, and it will then be seen in reverse, and will appear to be by the hand of some other master, and you will be better able to judge of its faults than in any other way. Leonardo da Vinci mirrors judging hands O time! swift devourer of all created things! Leonardo da Vinci time Thirst will parch your tongue and your body will waste through lack of sleep ere you can describe in words that which painting instantly sets before the eye. Leonardo da Vinci body eye sleep Affective gestures pointing to things near either in time or space should be made with the hand not very far from the body of the person pointing; and if these things are distant, the hand of the painter should be more extended and the face turned toward the person to whom he is addressing the demonstration. Leonardo da Vinci space body hands Wherever good fortune enters, envy lays siege to the place and attacks it; and when it departs, sorrow and repentance remain behind. Leonardo da Vinci siege envy sorrow When the sun is covered by clouds, objects are less conspicuous, because there is little difference between the light and shade of the trees and the buildings being illuminated by the brightness of the atmosphere which surrounds the objects in such a way that the shadows are few, and these few fade away so that their outline is lost in haze. Leonardo da Vinci differences nature travel Every part is disposed to unite with the whole, that it may thereby escape from its own incompleteness. Leonardo da Vinci incompleteness whole may Nature is so delightful and abundant in its variations that among trees of the same kind there would not be found one which nearly resembles another, and not only the plants as a whole, but among their branches, leaves, and fruit, will not be found one which is precisely like another. Leonardo da Vinci variation nature travel Putting your hand into a river, you simultaneously touch the last of what is passing and the first of what is coming. Leonardo da Vinci lasts rivers hands O Time! consumer of all things; O envious age! thou dost destroy all things and devour all things with the relentless teeth of years, little by little in a slow death. Helen, when she looked in her mirror, seeing the withered wrinkles made in her face by old age, wept and wondered why she had twice been carried away. Leonardo da Vinci wrinkles mirrors time The sun gives spirit and life to the plants and the earth nourishes them with moisture. Leonardo da Vinci nature giving travel Perspective is a most subtle discovery in mathematical studies, for by means of lines it causes to appear distant that which is near, and large that which is small. Leonardo da Vinci discovery science mean Any color is more distinctly seen when opposed to its contrary: thus, black on white, blear near yellow, green near red, and so on. Leonardo da Vinci color white yellow Not to appreciate life, all of life, is not to deserve it. Leonardo da Vinci appreciate-life appreciate life-is I shall do down in history as the man who opened a door! Leonardo da Vinci ever-after doors men I have been impressed with the urgency of doing. Leonardo da Vinci motivational positive inspirational This work should commence with the conception of man, and should describe the nature of the womb, and how the child inhabits it, and in what stage it dwells there, and the manner of its quickening and feeding, and its growth, and what interval there is between one stage of growth and another, and what thing drives it forth from the body of the mother, and for what reason it sometimes emerges from the belly of its mother before the due time. Leonardo da Vinci mother men children