Revelation #7

And to the angel of the church in Philadelphia write; These things says he that is holy, he that is true, he that has the key of David, he that opens, and no man shuts; and shuts, and no man opens[.]

Revelation 3:7 KJ2000

Thus begins the sixth of the seven letters to the seven churches in Asia in the mysterious Book of Revelation. If you haven’t got any background in this, these are found in the second and third chapters of the Book of Revelation. And what many do not understand is—they’re used to the epistles of the apostle Paul