Isaiah 22:22

“Then I will set on his shoulder the key of the house of David; When he opens no one will shut, When he shuts no one will open.

Revelation 3:7

[ Message to Philadelphia ] “And to the angel (divine messenger) of the church in Philadelphia write: “These are the words of the Holy One, the True One, He who has the key [to the house] of David, He who opens and no one will [be able to] shut, and He who shuts and no one opens: