Schopenhauer believed will the structuring principle of the universe; and what is will if not the idiom of mind? He confessed no master, did Schopenhauer, but Kant; and Kant says as much. Well, then, it might not surprise us if the physical sitter, on his stool, in his artist’s studio, finds his nose changing length, or his eyes moving further apart, or his hair colour darkening, as the portrait dictates.’
