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A Catholic priest censes a group of Greek and Armenian Orthodox priests during a Requiem Mass for Pope John Paul II in the Church of the Holy Sepulchre on April 6, 2005, in Jerusalem. Clergymen from many Christian faiths attended the Mass led by Latin Patriarch Michel Sabbah at the sepulchre where Jesus was buried and rose from the dead.

In recent decades, liturgical flippancy and theological naivete have helped to erode our sense of sin. Do we persist on this road?