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Argument & Debate
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Anyone who conducts an argument by appealing to authority is not using his intelligence; he is just using his memory.
-Leonardo DaVinci
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Art
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Principles for the Development of a Complete Mind: Study the science of art. Study the art of science. Develop your senses - especially learn how to see. Realise that everything connects to everything else.
-Leonardo DaVinci
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A good painter is to paint two main things, men and the working of man's mind.
-Leonardo DaVinci
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Cats
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The smallest feline is a masterpiece.
-Leonardo DaVinci
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Censorship
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You do ill if you praise, but worse if you censure, what you do not understand.
-Leonardo DaVinci
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Common Sense
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Common Sense is that which judges the things given to it by other senses.
-Leonardo DaVinci
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Control
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Anyone who in discussion relies upon authority uses, not his understanding, but rather his memory.
-Leonardo DaVinci
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Creativity
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The men of experiment are like the ant; they only collect and use. But the bee . . . gathers its materials from the flowers of the garden and of the field, but transforms and digests it by a power of its own.
-Leonardo DaVinci
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Death
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While I thought that I was learning how to live, I have been learning how to die.
-Leonardo DaVinci
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As a well-spent day brings happy sleep, so a life well spent brings happy death.
-Leonardo DaVinci
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Deception/Lying
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The fox when it sees a flock of herons or magpies or birds of that kind, suddenly flings himself on the ground with his mouth open to look as he were dead; and these birds want to peck at his tongue, and he bites off their heads.
-Leonardo DaVinci, note book
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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 DaVinci, note book
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Desires
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When once you have tasted flight, you will forever walk the earth with your eyes turned skyward, for there you have been and there you will always long to return.
-Leonardo DaVinci
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Excellence
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I have offended God and mankind because my work didn't reach the quality it should have.
-Leonardo DaVinci
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Experience
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Experience does not err. Only your judgments err by expecting from her what is not in her power.
-Leonardo DaVinci
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Fear
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Just as courage imperils life; fear protects it.
-Leonardo DaVinci
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Genius
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Men of lofty genius when they are doing the least work are most active.
-Leonardo DaVinci
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Humanity
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Three classes of people: Those who see. Those who see when they are shown. Those who do not see.
-Leonardo DaVinci
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Laziness
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Just as iron rusts from disuse, even so does inaction spoil the intellect.
-Leonardo DaVinci
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Life
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Our life is made by the death of others.
-Leonardo DaVinci
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Mankind, Man
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The function of muscle is to pull and not to push, except in the case of the genitals and the tongue.
-Leonardo DaVinci
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Mind, the
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Iron rusts from disuse, stagnant water loses its purity and in cold weather becomes frozen; even so does inaction sap the vigors of the mind.
-Leonardo DaVinci
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As every divided kingdom falls, so every mind divided between many studies confounds and saps itself.
-Leonardo DaVinci
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Nature
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Although human subtlety makes a variety of inventions by different means to the same end, it 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 DaVinci
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Patience
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-Leonardo DaVinci
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Patience serves as a protection against wrongs as clothes do against cold. For if you put on more clothes as the cold increases, it will have no power to hurt you. So in like manner you must grow in patience when you meet with great wrongs, and they will be powerless to vex your mind.
-Leonardo DaVinci
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Perspective
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Perspective is the rein and rudder of painting.
-Leonardo DaVinci
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Rest, Leisure
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Every now and then go away, have a little relaxation, for when you come back to your work your judgment will be surer. Go some distance away because then the work appears smaller and more of it can be taken in at a glance and a lack of harmony and proportion is more readily seen.
-Leonardo DaVinci
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Thought
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I roamed the countryside searching for answers to things I did not understand. Why thunder lasts longer than that which causes it, and why immediately on its creation the lightning becomes visible to the eye while thunder requires time to travel. How the various circles of water form around the spot which has been struck by a stone and why a bird sustains itself in the air. These questions and other strange phenomena engaged my thought throughout my life.
-Leonardo DaVinci
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Time
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Time stays long enough for those who use it.
-Leonardo DaVinci
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Understanding
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Nothing can be love or hated unless it is first known.
-Leonardo DaVinci
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The noblest pleasure is the joy of understanding.
-Leonardo DaVinci
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Vacations
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Every now and then go away and have a little relaxation. To remain constantly at work will diminish your judgment. Go some distance away, because work will be in perspective and a lack of harmony is more readily seen.
-Leonardo DaVinci
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Vanity
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As regards this vice, we read that the peacock is more guilty of it than any other animal. For it is always contemplating the beauty of its tail, which it spreads in the form of a wheel, and by its cries attracts to itself the gaze of the creatures that surround it. And this is the last vice to be conquered.
-Leonardo DaVinci, note book
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Wisdom
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And Wisdom be the Daughter of Experience
-Leonardo DaVinci
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