Wherefore it is imperative for you to strip yourselves completely of every earthly convenience and of all human respect, even though there are but few [who rank] above you. It is imperative, further, that you follow the Vicar of Christ, who holds the place of the glorious apostle Peter; and that you be most obedient to him, just as the other apostles were to Peter, though they were not less anxious for the salvation of peoples and of the human race than was the glorious Peter.
Saint Mary Magdalen de’ Pazzi
Letter No. 7 to “the most illustrious Cardinals who are assisting the Apostolic See”
Read more from Letter No. 7 here
Saint Mary Magdalen de’ Pazzi was beatified 27 April 1627 by Pope Urban VII