Ellicott's Commentary for English Readers - Revelation 3:7
(7) Philadelphia.—The town of Philadelphia derived its name from Attalus Philadelphus, the king of Pergamos, who died B.C. 138. It was situated on the slopes of Mount Tmolus, in the midst of a district the soil of which was favourable to the cultivation of the vine. On the coins of the town are to be found the head of Bacchus. The town was built on high ground—upwards of 900 feet above the sea-level. The whole region, however, was volcanic, and few cities suffered more from earthquakes; the... read more
John Dummelow's Commentary on the Bible - Revelation 3:1-22
The Epistles to the Seven Churches (concluded)1-6. To the Church in Sardis Christ speaks as He who gives the spirit and looks for spiritual life. There is no praise for this Church. Its life is without spiritual reality (Revelation 3:1). Yet, even now, awakening is within its power. But if it continue to sleep, Christ will come in sudden judgment (Revelation 3:2.). A few individuals have remained faithful. To them, and to all such, Christ promises gladness and life, and that He will acknowledge... read more