Pope Leo XIV, the first American leader of the Catholic Church, previously known as Robert Francis Prevost, returned to the Sistine Chapel the day after his election to deliver a mass for the College of Cardinals, where he described his role as both a cross to bear and a blessing and urged church leaders to make themselves “small.”

Pope Leo XIV gave a homily at a Mass a day after he was chosen to lead the Catholic Church. Here's what the new pontiff said, and what he's up to in the coming days.

The 69-year-old Chicago native, known for being reserved and private, brings a different style to the papacy compared to his predecessor, according to Time. While Francis was famous for his outgoing personality and spontaneous interactions with crowds, Leo is described by those who know him as more cautious and measured.