Key

So they waited until they became worried and saw that he had still not opened the doors of the upper room. Then they took the key and opened the doors—and there was their lord lying dead on the floor.

I will place on his shoulder the key to the house of David. What he opens no one can shut, and what he shuts no one can open.

Woe to you experts in the law! For you have taken away the key to knowledge. You yourselves have not entered, and you have hindered those who were entering.”

To the angel of the church in Philadelphia write: These are the words of the One who is holy and true, who holds the key of David. What He opens no one can shut, and what He shuts no one can open.

Then the fifth angel sounded his trumpet, and I saw a star that had fallen from heaven to earth, and it was given the key to the pit of the Abyss.

Then I saw an angel coming down from heaven with the key to the Abyss, holding in his hand a great chain.