The band had the music written for this, but were having trouble coming up with lyrics. One night, there was a bible study group in the studio and the next day, lead singer Joe Elliott found a bible open to the hymn "Rock Of Ages." He started singing the phrase and Lange thought it would be perfect for the chorus. They used it as the title and wrote the rest of the lyrics from there.

TRIVIA:
This begins with a voice that says something like "Gunter Glieben Glauten Globen." It doesn't mean anything. Producer Mutt Lange got tired of counting the band in with "1, 2, 3, 4...," so he started saying this. The band would sometimes make up stuff when asked what it means.