What will Benedict's role be after he steps down? One of servitude, he says:
"Among you is also the future pope, whom I promise my unconditional reverence and obedience." - Pope Benedict XVI, in his final audience to his cardinals.
In this photo provided by the Vatican newspaper L'Osservatore Romano, Pope Benedict XVI, top center, delivers his message on the occasion of his farewell meeting to cardinals, at the Vatican, Thursday, Feb. 28, 2013. —Nicole Winfield via Twitter
(AP Photo/L'Osservatore Romano)