He expressed his point of view at an ecumenical prayer meeting that took place during his visit to Poland at the Holy Trinity Lutheran Church in Warsaw. Churches will enjoy “greater confidence in the world” if they can work together in charity and preach family values beyond the boundaries of individual denominations, the pontiff is convinced. “Blended” families lay the foundation for a “practical laboratory of unity,” the pope believes, which is very important in today’s world, where intercultural connections are multiplying.