Revelation 3:13 - Matthew Poole's English Annotations on the Holy Bible

This we have met with at the close of every epistle: See Poole on "Revelation 3:7". Those who think these churches were typical, and the matter of the epistles not only didactic and corrective, but prophetical, say, this church of Philadelphia was a type of all gospel churches which were to be in the world upon the Reformation; which more perfectly cast off antichrist, and would allow no key but that of the house of David, reforming themselves strictly according to the rule of the word, not according to state policy, and prudence.