While Christians must treat addicts with care and comprehension, drug traffickers who push their products on the vulnerable are "murderers" who are called to conversion, Pope Francis said.

VATICAN CITY -- The liturgy is not a spectacle to be observed but a prayerful event where Christians encounter Christ's presence in their lives, Pope Francis said.

VATICAN CITY -- The act of bearing false witness to destroy someone is an attack against the body of the church, Pope Francis said.

ROME - The church should fear the sin of its own members more than hatred against Christians, Pope Benedict XVI said.

While the church has suffered from persecution throughout its history, it "is supported by the light and strength of God" and will always end up victorious, he said.

Overcoming trials and outside threats shows how the Christian community "is the presence, the guarantee of God's love against all ideologies of hatred and selfishness," he said on the feast of the Immaculate Conception Dec. 8.