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He who loves practice without theory is like the sailor who boards ship without a rudder and compass and never knows where he may cast.

Leonardo da Vinci

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Leonardo da Vinci
Age: 67 †
Born: 1452
Born: April 15
Died: 1519
Died: May 2
Anatomist
Architect
Astronomer
Botanist
Caricaturist
Chemist
Civil Engineer
Composer
Diplomat
Engineer
Inventor
Mathematician
Musician
Like
Sea
Boards
Theory
Ships
Practice
Cast
Rudder
Reality
Mathematical
Rudders
May
Casts
Statistician
Without
Math
Sailor
Never
Mathematics
Compass
Love
Loves
Ship

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There is no result in nature without a cause understand the cause and you will have no need of the experiment.
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I have been impressed with the urgency of doing. Knowing is not enough we must apply. Being willing is not enough we must do.
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Why are the bones of great fishes, and oysters and corals and various other shells and sea-snails, found on the high tops of mountains that border the sea, in the same way in which they are found in the depths of the sea?
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A bird is an instrument working according to mathematical law, which instrument it is within the capacity of man to reproduce with all its movements.
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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.
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We may call painting the grandchild of nature.
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Man and the animals are merely a passage and channel for food, a tomb for other animals, a haven for the dead, giving life by the death of others, a coffer full of corruption.
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Make an effort to collect the good features from many beautiful faces.
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Love, Fear, and Esteem, - Write these on three stones.
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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.
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The fame of the rich man dies with him the fame of the treasure, and not of the man who possessed it, remains.
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The good painter must paint two things: a person and the essence of his soul.
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Do not imitate one another's style. If you do, so far as your art is concerned you will be called a grandson, rather than the son of Nature.
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Learning acquired in youth arrests the evil of old age and if you understand that old age has wisdom for its food, you will so conduct yourself in youth that your old age will not lack for nourishment.
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The eye encompasses the beauty of the whole world.
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We must doubt the certainty of everything which passes through the senses, but how much more ought we to doubt things contrary to the senses, such as the existence of God and the soul.
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Blinding ignorance does mislead us. O! Wretched mortals, open your eyes!
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I would venture to affirm that a man cannot attain excellence if he satisfy the ignorant and not those of his own craft, and if he be not 'singular' or 'distant,' or whatever you like to call him.
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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.
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I am never weary of being useful... In serving others I cannot do enough. No labor is sufficient to tire me.
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