
Ele viveu para patentear um azul monocromático, como sendo o azul universal. Nunca chegou a ser comercializado. Usou esponjas embebidas em pintura, em tela ou não, fez com que mulheres servissem de pincéis e pulvilhou rios com pós dourados.
- "Long live the immaterial!"
- "The painter has only to create one masterpiece, himself, constantly."
Klein's work strongly refers to a theoretical/arthistorical context as well as to philosophy/metaphysics and with his work he aimed to combine these. He tried to make his audience experience a state where an idea could simultaneously be "felt" as well as "understood".