Arthur Schopenhauer was a German philosopher. He is best known for his 1818 work The World as Will and Representation, which characterizes the phenomenal world as the product of a blind and insatiable metaphysical will. Arthur Schopenhauer has been dubbed the artist's philosopher on account of the inspiration his aesthetics has provided to artists of all stripes. He is also known as the philosopher of pessimism, as he articulated a worldview that challenges the value of existence.