“And to the angel of the church in Philadelphia write: These are the words of the holy one, the true one, who has the key of David, who opens and no one will shut, who shuts and no one opens: “I know your works. Look, I have set before you an open door, which no one is able to shut. I know that you have but little power, and yet you have kept my word and have not denied my name. I will make those of the synagogue of Satan who say that they are Jews and are not, but...