The grand difference between a human being and a Supreme being is precisely this: Apart from God I cannot exist; apart from me God does exist. God does not need me in order for Him to be. I do need God in order for me to be. We are dependent. We are fragile. This is how we differ from God.
R. C. SproulThe atonement is a multifaceted event-Jesus is shown providing surety for our debt to God, mediating the enmity between us and God, and offering Himself as a substitute to suffer God's judgment in our place.
R. C. Sproul