66 The Second Vatican Council did not attempt to give a "description" of post-Reformation Christianity, since "in origin, teaching and spiritual practice, these Churches and Ecclesial Communities differ not only from us but also among themselves to a considerable degree". Furthermore, the Decree observes that the ecumenical movement and the desire for peace with the Catholic Church have not yet taken root everywhere. These circumstances notwithstanding, the Council calls for dialogue. The Council Decree then seeks to "propose ... some considerations which can and ought to serve as a basis and motivation for such dialogue". "Our thoughts are concerned ... with those Christians who openly confess Jesus Christ as God and Lord and as the sole Mediator between God and man unto the glory of the one God, Father, Son and Holy Spirit". These brothers and sisters promote love and veneration for the Sacred Scriptures: "Calling upon the Holy Spirit, they seek in these Sacred Scriptures God as he speaks to them in Christ, the One whom the prophets foretold, God's Word made flesh for us. In the Scriptures they contemplate the life of Christ, as well as the teachings and the actions of the Divine Master on behalf of the salvation of all, in particular the mysteries of his Death and Resurrection ... They affirm the divine authority of the Sacred Books". At the same time, however, they "think differently from us ... about the relationship between the Scriptures and the Church. In the Church, according to Catholic belief, an authentic teaching office plays a special role in the explanation and proclamation of the written word of God". Even so, "in 1 dialogue itself, the sacred utterances are precious instruments in the mighty hand of God for attaining that unity which the Saviour holds out to all". Furthermore, the Sacrament of Baptism, which we have in common, represents "a sacramental bond of unity linking all who have been reborn by means of it". The theological, pastoral and ecumenical implications of our common Baptism are many and important. Although this sacrament of itself is "only a beginning, a point of departure", it is "oriented towards a complete profession of faith, a complete incorporation into the system of salvation such as Christ himself willed it to be, and finally, towards a complete participation in Eucharistic communion".
Source: Ut Unum Sint (Vatican.va)