About Leonardo da Vinci:
Leonardo di ser Piero da Vinci is widely considered to be one of the greatest painters of all time and perhaps the most diversely talented person ever to have lived in the Western world. He is often referred to as the Father of paleontology, ichnology and architecture. Sometimes he is credited with the inventions of the parachute, helicopter and tank.
To me it seems that those sciences are vain and full of error which are not born of experience, mother of all certainty, first-hand experience which in its origins, or means, or end has passed through one of the five senses. And if we doubt the certa...Leonardo da Vinci
If the painter has clumsy hands, he will be apt to introduce them into his works, and so of any other part of his person, which may not happen to be so beautiful as it ought to be. He must, therefore, guard particularly against that self-love, or too...Leonardo da Vinci
To such an extent does nature delight and abound in variety that among her trees there is not one plant to be found which is exactly like another; and not only among the plants, but among the boughs, the leaves and the fruits, you will not find one w...Leonardo da Vinci
The painter who is familiar with the nature of the sinews, muscles, and tendons, will know very well, in giving movement to a limb, how many and which sinews cause it; and which muscle, by swelling, causes the contraction of that sinew; and which sin...Leonardo da Vinci