Cardinal George Pell, Pope Francis’ chief financial adviser and Australia's most senior Catholic, is the highest-ranking Vatican official to ever be charged in the church’s long-running sexual abuse scandal.

Jesus “has not called you to become ‘princes’ in the church,” the pope said, but “to serve like him and with him.”

Labor unions must guard and protect workers, but also defend the rights of those "outside the walls," Pope Francis said.

The pope's words can be read as an answer to those who hope his pontificate may end soon.

Colombian president Juan Manuel Santos had said the pontiff promised him he would visit Colombia if the government and the rebel group signed a peace agreement.