In the book, Augustine took the view that everything in the universe was created simultaneously by God, and not in seven days like a plain account of Genesis would require. He argues that the six-day structure of creation presented in the book of Genesis represents a logical framework, rather than the passage of time in a physical way. Augustine also does not envisage original sin as originating structural changes in the universe, and even suggests that the bodies of Adam and Eve were already created mortal before the Fall. Apart from his specific views, Augustine recognizes that the interpretation of the creation story is difficult, and remarks that we should be willing to change our mind about it as new information comes up.