7. "The Lord of the Ages wisely and patiently follows out the plan of his grace on behalf of us sinners. In recent times he has begun to bestow more generously upon divided Christians remorse over their divisions and a longing for unity. Everywhere, large numbers have felt the impulse of this grace, and among our separated brethren also there increases from day to day a movement, fostered by the grace of the Holy Spirit, for the restoration of unity among all Christians. Taking part in this movement, which is called ecumenical, are those who invoke the Triune God and confess Jesus as Lord and Saviour. They join in not merely as individuals but also as members of the corporate groups in which they have heard the Gospel, and which each regards as his Church and, indeed, God's. And yet almost everyone, though in different ways, longs that there may be one visible Church of God, a Church truly universal and sent forth to the whole world that the world may be converted to the Gospel and so be saved, to the glory of God".

8. This statement of the Decree Unitatis Redintegratio is to be read in the context of the complete teaching of the Second Vatican Council. The Council expresses the Church's decision to take up the ecumenical task of working for Christian unity and to propose it with conviction and vigour: "This sacred Synod exhorts all the Catholic faithful to recognize the signs of the times and to participate actively in the work of ecumenism".

In indicating the Catholic principles of ecumenism, the Decree Unitatis Redintegratio recalls above all the teaching on the Church set forth in the Dogmatic Constitution Lumen Gentium in its chapter on the People of God. At the same time, it takes into account everything affirmed in the Council's Declaration on Religious Freedom Dignitatis Humanae.

The Catholic Church embraces with hope the commitment to ecumenism as a duty of the Christian conscience enlightened by faith and guided by love. Here too we can apply the words of Saint Paul to the first Christians of Rome: "God's love has been poured into our hearts through the Holy Spirit"; thus our "hope does not disappoint us" (Rom 5:5). This is the hope of Christian unity, which has its divine source in the Trinitarian unity of the Father, the Son and the Holy Spirit.

9. Jesus himself, at the hour of his Passion, prayed "that they may all be one" (Jn 17:21). This unity, which the Lord has bestowed on his Church and in which he wishes to embrace all people, is not something added on, but stands at the very heart of Christ's mission. Nor is it some secondary attribute of the community of his disciples. Rather, it belongs to the very essence of this community. God wills the Church, because he wills unity, and unity is an expression of the whole depth of his agape.

In effect, this unity bestowed by the Holy Spirit does not merely consist in the gathering of people as a collection of individuals. It is a unity constituted by the bonds of the profession of faith, the sacraments and hierarchical communion. The faithful are one because, in the Spirit, they are in communion with the Son and, in him, share in his communion with the Father: "Our fellowship is with the Father and with his Son Jesus Christ" (1 Jn 1:3). For the Catholic Church, then, thecommunion of Christians is none other than the manifestation in them of the grace by which God makes them sharers in his own communion, which is his eternal life. Christ's words "that they may be one" are thus his prayer to the Father that the Father's plan may be fully accomplished, in such a way that everyone may clearly see "what is the plan of the mystery hidden for ages in God who created all things" (Eph 3:9). To believe in Christ means to desire unity; to desire unity means to desire the Church; to desire the Church means to desire the communion of grace which corresponds to the Father's plan from all eternity. Such is the meaning of Christ's prayer: "Ut unum sint".

10. In the present situation of the lack of unity among Christians and of the confident quest for full communion, the Catholic faithful are conscious of being deeply challenged by the Lord of the Church. The Second Vatican Council strengthened their commitment with a clear ecclesiological vision, open to all the ecclesial values present among other Christians. The Catholic faithful face the ecumenical question in a spirit of faith.

The Council states that the Church of Christ "subsists in the Catholic Church, which is governed by the Successor of Peter and by the Bishops in communion with him", and at the same time acknowledges that "many elements of sanctification and of truth can be found outside her visible structure. These elements, however, as gifts properly belonging to the Church of Christ, possess an inner dynamism towards Catholic unity".

"It follows that these separated Churches and Communities, though we believe that they suffer from defects, have by no means been deprived of significance and value in the mystery of salvation. For the Spirit of Christ has not refrained from using them as means of salvation which derive their efficacy from the very fullness of grace and truth entrusted to the Catholic Church".

11. The Catholic Church thus affirms that during the two thousand years of her history she has been preserved in unity, with all the means with which God wishes to endow his Church, and this despite the often grave crises which have shaken her, the infidelity of some of her ministers, and the faults into which her members daily fall. The Catholic Church knows that, by virtue of the strength which comes to her from the Spirit, the weaknesses, mediocrity, sins and at times the betrayals of some of her children cannot destroy what God has bestowed on her as part of his plan of grace. Moreover, "the powers of death shall not prevail against it" (Mt 16:18). Even so, the Catholic Church does not forget that many among her members cause God's plan to be discernible only with difficulty. Speaking of the lack of unity among Christians, the Decree on Ecumenism does not ignore the fact that "people of both sides were to blame", and acknowledges that responsibility cannot be attributed only to the "other side". By God's grace, however, neither what belongs to the structure of the Church of Christ nor that communion which still exists with the other Churches and Ecclesial Communities has been destroyed.

Indeed, the elements of sanctification and truth present in the other Christian Communities, in a degree which varies from one to the other, constitute the objective basis of the communion, albeit imperfect, which exists between them and the Catholic Church.

To the extent that these elements are found in other Christian Communities, the one Church of Christ is effectively present in them. For this reason the Second Vatican Council speaks of a certain, though imperfect communion. The Dogmatic Constitution Lumen Gentium stresses that the Catholic Church "recognizes that in many ways she is linked" with these Communities by a true union in the Holy Spirit.

12. The same Dogmatic Constitution listed at length "the elements of sanctification and truth" which in various ways are present and operative beyond the visible boundaries of the Catholic Church: "For there are many who honour Sacred Scripture, taking it as a norm of belief and of action, and who show a true religious zeal. They lovingly believe in God the Father Almighty and in Christ, Son of God and Saviour. They are consecrated by Baptism, through which they are united with Christ. They also recognize and receive other sacraments within their own Churches or Ecclesial Communities. Many of them rejoice in the episcopate, celebrate the Holy Eucharist, and cultivate devotion towards the Virgin Mother of God. They also share with us in prayer and other spiri- tual itual benefits. Likewise, we can say that in some real way they are joined with us in the Holy Spirit, for to them also he gives his gifts and graces, and is thereby operative among them with his sanctifying power. Some indeed he has strengthened to the extent of the shedding of their blood. In all of Christ's disciples the Spirit arouses the desire to be peacefully united, in the manner determined by Christ, as one flock under one shepherd".

The Council's Decree on Ecumenism, referring to the Orthodox Churches, went so far as to declare that "through the celebration of the Eucharist of the Lord in each of these Churches, the Church of God is built up and grows in stature". Truth demands that all this be recognized.

13. The same Document carefully draws out the doctrinal implications of this situation. Speaking of the members of these Communities, it declares: "All those justified by faith through Baptism are incorporated into Christ. They therefore have a right to be honoured by the title of Christian, and are properly regarded as brothers and sisters in the Lord by the sons and daughters of the Catholic Church".

With reference to the many positive elements present in the other Churches and Ecclesial Communities, the Decree adds: "All of these, which come from Christ and lead back to him, belong by right to the one Church of Christ. The separated brethren also carry out many of the sacred actions of the Christian religion. Undoubtedly, in many ways that vary according to the condition of each Church or Community, these actions can truly engender a life of grace, and can be rightly described as capable of providing access to the community of salvation".

These are extremely important texts for ecumenism. It is not that beyond the boundaries of the Catholic community there is an ecclesial vacuum. Many elements of great value (eximia), which in the Catholic Church are part of the fullness of the means of salvation and of the gifts of grace which make up the Church, are also found in the other Christian Communities.

14. All these elements bear within themselves a tendency towards unity, having their fullness in that unity. It is not a matter of adding together all the riches scattered throughout the various Christian Communities in order to arrive at a Church which God has in mind for the future. In accordance with the great Tradition, attested to by the Fathers of the East and of the West, the Catholic Church believes that in the Pentecost Event God has already manifested the Church in her eschatological reality, which he had prepared "from the time of Abel, the just one". This reality is something already given. Consequently we are even now in the last times. The elements of this already-given Church exist, found in their fullness in the Catholic Church and, without this fullness, in the other Communities, where certain features of the Christian mystery have at times been more effectively emphasized. Ecumenism is directed precisely to making the partial communion existing between Christians grow towards full communion in truth and charity.

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