On February 22, 1788, the German philosopher Schopenhauer was born. Schopenhauer, born February 22, 1788, is known as the "pessimistic philosopher". He was the opponent of Hegel's absolute idealism, the pioneer of the new "life" philosophy. The suffering of mankind was very sensitive, and therefore his life view had a strong pessimistic tendency. Dedicated to the study of the philosophers Plato and Kant's writings, contemptuous of Feith, Shelley and Hegel. His lifetime was unwilling, gained reputation in the years before his death, and lived a hidden life. Schopenhauer, in 1819, published an important book, The World of Will and Expression, divided into four volumes, including the study of anger,