The Church immortal

“THE Church itself was regarded (and will continue to be regarded by its adherents) as immortal, but its administration is subject to perpetual threat of mortality, that is, of corruption and weakness tending to extinction.”

~Hilaire Belloc: The Crisis of Civilization.

"Christ Giving the Keys to St. Peter" by Giovanni Battista Castello.
Illumination on vellum, A.D. 1598; Musée du Louvre, Paris.