Drawing is based upon perspective, which is nothing else than a thorough knowledge of the function of the eye.
Leonardo da VinciI love this site. It was lovingly hand-shaped it. Your soul transformed this into this art. It was perfect. I have tried to create another equal to it... but to no avail, so I will just have to paint the Sistine Chapel.
Leonardo da VinciI have discovered that a screw-shaped device such as this, if it is well made from starched linen, will rise in the air if turned quickly.
Leonardo da VinciO neglectful Nature, wherefore art thou thus partial, becoming to some of thy children a tender and benignant mother, to others a most cruel and ruthless stepmother? I see thy children given into slavery to others without ever receiving any benefit, and in lieu of any reward for the services they have done for them they are repaid by the severest punishments.
Leonardo da Vinci