"Gathered around the altar, the Church understands better her origin and her missionary mandate. As the theme of World Mission Sunday this year clearly emphasises 'Eucharist and Mission' are inseparable....
from Pope John Paul II's Message for World Mission Sunday 2004
"Contributions to the Society for the Propgation of the Faith on World Mission Sunday and throughout the year help support pastoral and evangelizing programs, catechists and catechetical work, the building of churches and chapels, the work of Religious Communities in health care and education, and communication and transportation needs."
From the Propagation of the Faith website