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Let no man who is not a Mathematician read the elements of my work.
Leonardo da Vinci -
Life well spent is long.
Leonardo da Vinci
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I obey Thee Lord, first for the love I ought, in all reason to bear Thee; secondly for that Thou canst shorten or prolong the lives of men.
Leonardo da Vinci -
Represent your figures in such action as may be fitted to express what purpose is in the mind of each; otherwise your art will not be admirable.
Leonardo da Vinci -
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 -
A bird makes the same use of wings and tail in the air as a swimmer does of his arms and legs in the water.
Leonardo da Vinci -
I find that any luminous body when seen through a dense and thick mist diminishes in proportion to its distance from the eye. Thus it is with the sun by day, as well as the moon and the other eternal lights by night. And when the air is clear, these luminaries appear larger in proportion as they are farther from the eye.
Leonardo da Vinci -
Intellectual passion drives out sensuality.
Leonardo da Vinci
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The Medici created and destroyed me.
Leonardo da Vinci -
Truth at last cannot be hidden. Dissimulation is of no avail. Dissimulation is to no purpose before so great a judge. Falsehood puts on a mask. Nothing is hidden under the sun.
Leonardo da Vinci -
Every body in light and shade fills the surrounding air with infinite images of itself; and these, by infinite pyramids diffused in the air, represent this body throughout space and on every side.
Leonardo da Vinci -
In many cases one and the same thing is attracted by two strong forces, namely Necessity and Potency. Water falls in rain; the earth absorbs it from the necessity for moisture; and the sun evaporates it, not from necessity, but by its power.
Leonardo da Vinci -
Men standing in opposite hemispheres will converse and deride each other and embrace each other, and understand each other's language.
Leonardo da Vinci -
If you take as your pattern the wings of feathered birds, these are more powerful in structure of bone and sinew because they are penetrable, that is to say the feathers are separated from one another and the air passes through them. But the bat is aided by its membrane, which binds the whole together and is not penetrated by the air.
Leonardo da Vinci
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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 -
Our body is dependent on heaven and heaven on the Spirit.
Leonardo da Vinci -
The air which is struck with most swiftness by the movable thing is compressed to the greatest degree in itself.
Leonardo da Vinci -
Man has much power of discourse which for the most part is vain and false; animals have but little, but it is useful and true, and a small truth is better than a great lie.
Leonardo da Vinci -
Whoever in discussion adduces authority uses not intellect but rather memory.
Leonardo da Vinci -
The point, being indivisible, occupies no space. That which occupies no space is nothing. The limiting surface of one thing is the beginning of another.
Leonardo da Vinci
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Fire destroys all sophistry, that is deceit; and maintains truth alone, that is gold.
Leonardo da Vinci -
Mechanics is the paradise of the mathematical sciences because by means of it one comes to the fruits of mathematics.
Leonardo da Vinci -
Men will deal rude blows to that which is the cause of their life:-They will thrash the grain.
Leonardo da Vinci -
Nature is full of infinite causes that have never occurred in experience.
Leonardo da Vinci