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Feathers shall raise men towards the heaven even as they do the birds:-That is by the letters written by their quills.
Leonardo da Vinci
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The ball of snow when, as it rolls, it descends from the snowy mountains, increases in size as it falls.
Leonardo da Vinci
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All objects project their whole image and likeness, diffused and mingled in the whole of the atmosphere, opposite to themselves. The image of every point of the bodily surface, exists in every part of the atmosphere. All the images of the objects are in every part of the atmosphere.
Leonardo da Vinci
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May it please our great Author that I may demonstrate the nature of man and his customs, in the way I describe his figure.
Leonardo da Vinci
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To preserve Nature's chiefest boon, that is freedom, I can find means of offence and defence, when it is assailed by ambitious tyrants, and first I will speak of the situation of the walls, and also I shall show how communities can maintain their good and just Lords.
Leonardo da Vinci
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We, by our arts may be called the grandsons of God.
Leonardo da Vinci
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Fire destroys all sophistry, that is deceit; and maintains truth alone, that is gold.
Leonardo da Vinci
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There is no certainty in sciences where one of the mathematical sciences cannot be applied, or which are not in relation with these mathematics.
Leonardo da Vinci
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It is easier to contend with evil at the first than at the last.
Leonardo da Vinci
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Many will be busied in taking away from a thing, which will grow in proportion as it is diminished.
Leonardo da Vinci
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The variety of colour in objects cannot be discerned at a great distance, excepting in those parts which are directly lighted up by the solar rays.
Leonardo da Vinci
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The false interpreters of nature declare that quicksilver is the common seed of every metal, not remembering that nature varies the seed according to the variety of the things she desires to produce in the world.
Leonardo da Vinci
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If you are representing a white body let it be surrounded by ample space, because as white has no colour of its own, it is tinged and altered in some degree by the colour of the objects surrounding it.
Leonardo da Vinci
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A man was desired to rise from bed, because the sun was already risen. To which he replied: 'If I had as far to go, and as much to do as he has, I should be risen by now; but having but a little way to go, I shall not rise yet.'
Leonardo da Vinci
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Since the wings are swifter to press the air than the air is to escape from beneath the wings the air becomes condensed and resists the movement of the wings; and the motive power of these wings by subduing the resistance of the air raises itself in a contrary movement to the movement of the wings.
Leonardo da Vinci
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Patience serves us against insults precisely as clothes do against the cold. For if you multiply your garments as the cold increases, that cold cannot hurt you; in the same way increase your patience under great offences, and they cannot hurt your feelings.
Leonardo da Vinci
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Constancy does not begin, but is that which perseveres.
Leonardo da Vinci
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Human subtlety...will never devise an invention more beautiful, more simple or more direct than does nature, because in her inventions nothing is lacking, and nothing is superfluous.
Leonardo da Vinci
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When you represent in your work shadows which you can only discern with difficulty, and of which you cannot distinguish the edges so that you apprehend them confusedly, you must not make them sharp or definite lest your work should have a wooden effect.
Leonardo da Vinci
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Men born in hot countries love the night because it refreshes them and have a horror of light because it burns them; and therefore they are of the colour of night, that is black. And in cold countries it is just the contrary.
Leonardo da Vinci
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The outlines and form of any part of a body in light and shade are indistinct in the shadows and in the high lights; but in the portions between the light and the shadows they are highly conspicuous.
Leonardo da Vinci
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When the sun appears which dispels darkness in general, you put out the light which dispelled it for you in particular for your need and convenience.
Leonardo da Vinci
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It is easier to resist at the beginning than at the end.
Leonardo da Vinci
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The bones of the Dead will be seen to govern the fortunes of him who moves them.
Leonardo da Vinci
