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Quotes by Leonardo da Vinci

Italian engineer, painter, & sculptor (1452 - 1519)

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Marriage: putting one's hand into a bag of snakes on the chance of drawing out an eel.

Whoever in discussion adduces authority uses not intellect but memory.

Intellectual passion dries out sensuality.

As a well-spent day brings happy sleep, so life well used brings happy death.

Iron rusts from disuse; stagnant water loses its purity and in cold weather becomes frozen; even so does inaction sap the vigor of the mind.

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 then be powerless to vex your mind.

You do ill if you praise, but worse if you censure, what you do not understand.

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.

Those who become enamored of practices without science are like sailors who go aboard ship without a rudder and compass, for they are never certain where they will land.

Experience does not ever err. It is only your judgment that errs in promising itself results which are not caused by your experiments.

It is easier to resist at the beginning than at the end.

Study without desire spoils the memory, and it retains nothing that it takes in.

Supreme happiness will be the greatest cause of misery, and the perfection of wisdom the occassion of folly.