“Bosch was not possessed by a deranged spirit but the possessor of a cool, calculating mind. His supreme mastery of the arts is proved by his ability to paint cerebrally constructed devils, of which the component parts each has its own meaning.” ArtPaintingRenaissanceSurrealismBosch Book:Hieronymus Bosch: His picture-writing deciphered Source: Hieronymus Bosch: His picture-writing deciphered