That's tough, as I know and favor many lines of many songs.
For now, I'll take one from The Red Jumpsuit Apparatus.
"I will never let you fall. I'll stand up for you forever. I'll be there for you through it all. Even if saving you sends me to Heaven." - from 'Your Guardian Angel'
I favor that line because it's how I feel and something like I would say. (and hopefully do)
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IT has zippo to do with my thread , but your Guardian Angel line is cool and fitting for my spouting off one of my favorite secular songs (that does mention God in it) and it's sacrificial meaning of a boy for a girl...
Johnny's daddy was taking Him fishing when he was 8 years old.
Little girl comes thru the front gate, holding a fishing pole...
(From TIM McGraw's song, 'Don't Take The Girl'.)
I put God in all my songs, easy to not have to do that with a christian song, sometimes Christian songs infer God, but don't say it, that can be troublesome for some who then sub their love or wanna be love in there, like for Katinas song, 'You're All I Need,'
But yeah, asIf, The Red Jumpsuit Apparatus, yeah, that group sounds like one of the many weird name ones I did as radio dj playing alternatine music named groups, like The Pixies, or, Nine Inch Nails, or, hmm, my green brain can thinks no more of any ay the mom' .
-- and, hey, Christ bro, where is your question after having just given us all another fine answer