1. Peace of the body – lies in the ordered equilibrium of all its parts
2. Peace of the irrational soul – lies in the balanced adjustment of its appetites
3. Peace of the reasoning soul – lies in the harmonious correspondence of conduct and conviction
4. Peace of body and soul – lies in the well-ordered life and health of the living whole
5. Peace between a mortal man and his Maker – consists in ordered obedience, guided by faith, under God’s eternal law
6. Peace between man and man – consists in regulated fellowship
7. Peace of a home – lies in the ordered harmony of authority and obedience between the members of a family living together
8. Peace of the political community – is an ordered harmony of authority and obedience between citizens
9. Peace of the heavenly City – lies in a perfectly ordered and harmonious communion of those who find their joy in God and in one another in God
Peace, in its final sense, is the calm that comes from order. Order is an arrangement of like and unlike things whereby each of them is disposed in its proper place.
(taken from Augustine’s City of God, Image Books 1958 ed., p. 456)