Revelation 3:4-7

But you have a few people in Sardis who have not soiled their garments; and they will walk with Me in white, for they are worthy. He who overcomes will thus be clothed in white garments; and I will not erase his name from the book of life, and I will confess his name before My Father and before His angels. He who has an ear, let him hear what the Spirit says to the churches.’ “And to the angel of the church in Philadelphia write: H e who is holy, who is true, who has the key of David, who opens and no one will shut, and who shuts and no one opens, says this