Because the concept of the ideal human being is a model and example for us that we can emulate or maybe we can make it happen if we feel fit and believe in the truth.
Studies on the optimal achievement of humans and the meaning of human life from the two figures above, are still important and beneficial to do. Therefore, humans will be able to achieve happiness when they are able to kill passions and cravings. Humans, as the supreme product of the basic activities of the world, are in fact the most unfortunate creatures. He saw that the world was full of suffering. The variety of thoughts about the optimal attainment of human self and the satisfaction of human life is what may have made Arthur Schopenhauer (1788-1868) deny all worldly phenomena.