America editor Ricardo da Silva, S.J., and Vatican correspondent Gerard O’Connell report from Lisbon on the opening of World Youth Day in this special episode of "Inside the Vatican."

Pope Francis told some 500,000 singing, shouting and swaying young people that God has called each person to him by name, not their social media handle.

“This old man now speaking to you also dreams that yours will become a generation of teachers! Teachers of humanity. Teachers of compassion....Teachers of hope."

Pope Francis addressed Portuguese bishops, priests, religious and pastoral workers after praying vespers at the Jerónimos Monastery in Lisbon Aug. 2, the first day of his trip to Portugal.

On his arrival in Lisbon for World Youth Day, Aug. 2, Pope Francis issued a heartfelt plea for peace.

Ten years ago on the flight back from his first World Youth Day in Rio de Janeiro, Pope Francis spoke these five simple words that reverberated around the world: “Who am I to judge?”