..[war] in itself is one of the manifestations of life, like disease, love, and lust. And just as I follow fear, disease, lust, love, and hate to their utmost limits, well, now I am trying war. It is all life, wonderfully various and rich in inspiration.
Source, in full
Briefe im Kriege May 1915, p. 67; as quoted in 'Portfolios', Alexander Dückers; in German Expressionist Prints and Drawings - Essays Vol 1.; published by Museum Associates, Los Angeles County Museum of Art, California & Prestel-Verlag, Germany, 1986, p. 79