It’s not that we are imitating God, it’s that we are participating in God’s rest; that is, when we rest, we are acknowledging that we are not the ones who bring order and stability to our lives. It’s the role of God to bring order and stability. The six days in which we do our work are not the ways that order is truly brought about in our lives. When we observe the Sabbath, it says, “Take your hands off the wheel; you’re not really driving. You’re not in control.” God’s the one who ultimately brings