Feuerbach (1804¨C1872) was a famous materialistic philosopher in the German classical philosophy, and his main work was The Essence of Christianity, The Principles of Future Philosophy, which he opposed monarchism, defended bourgeois democracy, and represented the interests of the then German bourgeois radicalistic group. On the eve of the German bourgeois revolution in 1848, he abandoned the influential Hegel idealistic philosophy, restored the authority of materialism, and this young man had a major influence on Marx and Engels. He made no profound criticism of religion, believing that God was only a reflection of the philosophy of the essence of man. He also criticized the concept of the unknownness of Marx in the German bourgeoisie and the