Pope John Paul II
Redemptoris Missio §55
Redemptoris Missio: On the Permanent Validity of the Church's Missionary Mandate
55 Inter-religious dialogue is a part of the Church's evangelizing mission. Understood as a method and means of mutual knowledge and enrichment, dialogue is not in opposition to the mission ad gentes ; indeed, it has special links with that mission and is one of its expressions. This mission, in fact, is addressed to those who do not know Christ and his Gospel, and who belong for the most part to other religions. In Christ, God calls all peoples to himself and he wishes to share with them the fullness of his revelation and love. He does not fail to make himself present in many ways, not only to individuals but also to entire peoples through their spiritual riches, of which their religions are the main and essential expression, even when they contain "gaps, insufficiencies and errors." All of this has been given ample emphasis by the Council and the subsequent Magisterium, without detracting in any way from the fact that salvation comes from Christ and that dialogue does not dispense from evangelization . In the light of the economy of salvation, the Church sees no conflict between proclaiming Christ and engaging in interreligious dialogue. Instead, she feels the need to link the two in the context of her mission ad gentes . These two elements must maintain both their intimate connection and their distinctiveness; therefore they should not be confused, manipulated or regarded as identical, as though they were interchangeable. I recently wrote to the bishops of Asia: "Although the Church gladly acknowledges whatever is true and holy in the religious traditions of Buddhism, Hinduism and Islam as a reflection of that truth which enlightens all people, this does not lessen her duty and resolve to proclaim without fail Jesus Christ who is 'the way, and the truth and the life.'...The fact that the followers of other religions can receive God's grace and be saved by Christ apart from the ordinary means which he has established does not thereby cancel the call to faith and baptism which God wills for all people." Indeed Christ himself "while expressly insisting on the need for faith and baptism, at the same time confirmed the need for the Church , into which people enter through Baptism as through a door." Dialogue should be conducted and implemented with the conviction that the Church is the ordinary means of salvation and that she alone possesses the fullness of the means of salvation.
Source: Redemptoris Missio (Vatican.va)