The worst state of affairs is when science begins to concern itself with art.

With 100 cm × 126 cm (39 in × 50 in) it is one of his largest paintings as he usually worked with small formats. The name of this art exhibition was Schwarz-Weiß as it only regarded graphic painting. Klee was a natural draftsman who experimented with and eventually mastered color theory and wrote extensively about it; his lectures Writings on Form and Design Theory (Schriften zur Form und Gestaltungslehre) publiPaul Kleed in English as the Paul Klee Notebooks are considered so important for modern art that they are compared to the importance that Leonardo da Vinci's A Treatise on Painting had for the Renaissance.

Klee was a natural draftsman who experimented with and eventually mastered color theory and wrote extensively about it; his lectures Writings on Form and Design Theory (Schriften zur Form und Gestaltungslehre) publiPaul Kleed in English as the Paul Klee Notebooks are considered so important for modern art that they are compared to the importance that Leonardo da Vinci's A Treatise on Painting had for the Renaissance. He and his colleague the Russian painter Wassily Kandinsky both taught at the German Bauhaus school of art design and architecture. His highly individual style was influenced by movements in art that included expressionism cubism and surrealism.