Man cannot live without love. He remains a being that is incomprehensible for himself, his life is senseless, if love is not revealed to him, if he does not encounter love, if he does not experience it and make it his own, if he does not participate intimately in it. This, as has already been said, is why Christ the Redeemer "fully reveals man to himself." If we may use the expression, this is the human dimension of the mystery of the redemption. In this dimension man finds again the greatness, dignity and value which belong to his humanity. In the mystery of the redemption man becomes newly "expressed" and, in a way, is newly created. He is newly created! "There is neither Jew nor Greek, there is neither slave nor free, there is neither male nor female; for you are all one in Christ Jesus." The man who wishes to understand himself thoroughly - and not just in accordance with immediate, partial, and often superficial, and even illusory standards and measures of his being - he must with his unrest, uncertainty and even his weakness and sinfulness, with his life and death, draw near to Christ. He must, so to speak, enter into Him with all his own self, he must "appropriate" and assimilate the whole reality of the Incarnation and Redemption in order to find himself. If this profound process takes place within him, he then bears fruit not only of adoration of God but also of deep wonder at himself. How precious must man be in the eyes of the Creator, if he "gained so great a Redeemer," and if God "gave his only Son" in order that man "should not perish but have eternal life."
In reality, the name for that deep amazement at man's worth and dignity is the Gospel, that is to say: the Good News. It is also called Christianity. This amazement determines the Church's mission in the world and, perhaps even more so, "in the modern world." This amazement, which is also a conviction and a certitude - at its deepest root it is the certainty of faith, but in a hidden and mysterious way it vivifies every aspect of authentic humanism - is closely connected with Christ. It also fixes Christ's place - so to speak, His particular right of citizenship - in the history of man and mankind. Unceasingly contemplating the whole of Christ's mystery, the Church knows with all the certainty of faith that the Redemption that took place through the cross has definitively restored his dignity to man and given back meaning to his life in the world, a meaning that was lost to a considerable extent because of sin. And for that reason, the Redemption was accomplished in the paschal mystery, leading through the cross and death to resurrection.
The Church's fundamental function in every age and particularly in ours is to direct man's gaze, to point the awareness and experience of the whole of humanity towards the mystery of God, to help all men to be familiar with the profundity of the Redemption taking place in Christ Jesus. At the same time man's deepest sphere is involved - mean the sphere of human hearts, consciences, and events.