Pope Francis called on people in developed countries to lead a simpler and less materialistic life.
He also condemned the great divide between rich and poor of the world. He said that the birth of Jesus in a stable stable should encourage everyone to think about the meaning of life.
He spoke out as he led a service for the traditional Christmas Eve Mass in St. Peter's Basilica in the Vatican.
It is the sixth Christmas of the 82-year-old as head of the Roman Catholic Church.
In his sermon, Pope Francis, the birth of Christ, pointed out a new way of life, "not by devouring and hoarding, but by sharing and giving".
He continued, "Let's ask ourselves," I really need all these material items and complicated recipes for life. Can I get along without all these unnecessary extras and lead a life of greater simplicity?
"For many people, the meaning of life is possession, an excess of material objects, an insatiable greed characterizes the entire history of mankind, even though today, paradoxically, a few dine lavishly while too many abandon their daily bread Survival is needed. "
On Christmas Day on Tuesday, the Pope will be" Urbi et al. "Orbi" (to the city and the world) message from the balcony of St. Peter.
Francis, the first pope from Latin America , has made the plight of the poor a key theme of his papacy.
At Christmas The Daily Mass in 201
His predecessor, Pope Benedict, made this similar in 2011.