And the key of the house of David will I lay upon his shoulder; so he shall open, and none shall shut; and he shall shut, and none shall open.
Read Chapter 22
George Leo Haydock
AD 1849
Shoulder. Here the marks of dignity were worn. Eliacim was appointed master of the palace, over all the other servants. (Calmet)
Thus we may gather what power Christ conferred on St. Peter, when he gave him the keys of heaven, Matthew xvi. 19., and Apocalypse iii. 7. (Haydock)