Long ere the sun's refulgent ray
Primeval shades of darkness drove,
They on his sacred bosom lay,
Loved with an everlasting love.
Refulgent: Shining Brightly
Primeval:of or resembling the earliest ages in the history of the world.
“The LORD hath appeared of old unto me, saying, Yea, I have loved thee with an everlasting love: therefore with lovingkindness have I drawn thee.”
"But God, who is rich in mercy, for his great love wherewith he loved us, even when we were dead in sins, hath quickened us together with Christ, (by grace ye are saved;)"