"The pope also spoke at length about the role of dialogue in society, saying it is not simply a negotiation but searching for the good of all people.
Ending the speech, Francis said: "You can say today we are not living an era of change but a change of era."
"The situations that we live today therefore bring new challenges that for us sometimes are difficult to understand," said the pontiff. "This, our time, requires living problems as challenges and not obstacles: the Lord is active in the work of the world.
"You, therefore, go forth to the streets and go to the crossroads: all who you find, call out to them, no one is excluded," he exhorted. "Wherever you are, never build walls or borders, but meeting squares and field hospitals."