God made man, and man made sin. So why start trembling when God says to you “Let sinners perish from my face”? What God is saying to you is: “Let that perish in you which you made, and I will preserve what I made.”
Citation: Augustine, Sermon 22.7 (on Psalm 68), in Sermons Vol. 2, trans. Edmund Hill (New City Press, 2003), 45–46.