Ten properties of an object, according to Leonardo: light and dark, color and substance, form and position, distance and nearness, movement and stillness.
The crude real will not by itself yield truth.
Provoke the unexpected. Expect it.
Model. Two mobile eyes in a mobile head, itself on a mobile body.
In the NUDE, all that is not beautiful is obscene.
Hostility to art is also hostility to the new, to the unforeseen.