Robert Mounce, Apocalypse, Eerdmans, 1977, p. 120.
The hour of trial [in Revelation 3:10] is directed toward the entire non-Christian world, but the believer will be kept from it, not by some previous appearance of Christ to remove the church bodily from the world, but by the spiritual protection He provides against the forces of evil.
Robert Mounce, Revelation, Eerdmans, 1977, p. 120.