251. In this dialogue, ever friendly and sincere, attention must always be paid to the essential bond between dialogue and proclamation, which leads the Church to maintain and intensify her relationship with non-Christians. A facile syncretism would ultimately be a totalitarian gesture on the part of those who would ignore greater values of which they are not the masters. True openness involves remaining steadfast in one’s deepest convictions, clear and joyful in one’s own identity, while at the same time being “open to understanding those of the other party” and “knowing that dialogue can enrich each side”. What is not helpful is a diplomatic openness which says “yes” to everything in order to avoid problems, for this would be a way of deceiving others and denying them the good which we have been given to share generously with others. Evangelization and interreligious dialogue, far from being opposed, mutually support and nourish one another.
 Cf. Propositio 53.
 John Paul II, Encyclical Letter Redemptoris Missio (7 December 1990), 56: AAS 83 (1991), 304.
 Cf. Benedict XVI, Address to the Roman Curia (21 December 2012): AAS 105 (2006), 51; Second Vatican Ecumenical Council, Decree on the Missionary Activity of the Church Ad Gentes, 9; Catechism of the Catholic Church, 856.
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