Come heed me, my brothers, come heed, one and all
Don’t brag about standing or you’ll surely fall
You’re shining your light and shine it you should
But you’re so heavenly minded, you’re no earthly good

If you’re holding heaven, then spread it around
There’s hungry hands reaching up here from the ground
Move over and share the high ground where you stood
So heavenly minded, you’re no earthly good

John R. "Johnny" Cash (1932-2003) American singer-songwriter, guitarist, actor, author

“So Heavenly Minded, You’re No Earthly Good”
    (Source)