Philadelphia. About thirty miles south-east of Sardis. Very little known of it beyond. few references in Pliny, but the Greek name indicates. Macedonian population.
Holy. The Holy One. See Revelation 4:8. Compare Hosea 11:9, &c. The Greek hagios occurs twenty-six times in Rev. See App-197.
True. App-175.
key of David. See Isaiah 22:22.
no man. no one. Greek. oudeis.