The question of constituting status of human existence leads to its mysterious nature. Not any rationality can comply with this question.
Along with H. U. von Balthasar, the basic question of human existence foundation is formulated as an open one in multiple dimensions: religious beliefs of Ancient India and Greece, tragic struggle in German mythologies and biblical concept of Christian existence.
Along with H. de Lubac, the second part analyses the humanism concept of human existence, which results into atheistic humanism. In the last part, with W.
Kasper we reveal the elementary status of the question of human in its Christological designation in three steps: a) Christology assumes a relatively independent anthropology, b) Christology presents a basic measure for anthropology, c) Christology brings into anthropology an essential status.